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ZirconSee Similar
StudSensor HD800 Stud Finder - Zircon
StanleyAccessories
Stanley 20-556 6-Inch FatMax Jab Saw - Stanley
Sperry Instruments
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use, Yellow & Black - Sperry Instruments
Klein Tools
Klein Tools ET300 Digital Circuit Breaker Finder - Klein Tools
Klein Tools
Klein Tools 69411 Circuit Breaker Finder Accessory Kit - Klein Tools

Side by Side Comparison of: Zircon vs Stanley vs Sperry Instruments vs Klein Tools

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Zircon http://ecx.images-amazon.com/images/I/41-qliB2hEL._SL160_.jpg
StudSensor HD800 Stud Finder - Zircon
Stanley http://ecx.images-amazon.com/images/I/31RZZJl-R-L._SL160_.jpg
Stanley 20-556 6-Inch FatMax Jab Saw - Stanley
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Sperry Instruments https://images-na.ssl-images-amazon.com/images/I/41MQqf7jvDL._SL160_.jpg
Sperry Instruments GFI6302 GFCI Outlet / Receptacle Tester, Standard 120V AC Outlets, 7 Visual Indication / Wiring Legend, Home & Professional Use, Yellow & Black - Sperry Instruments
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Klein Tools https://images-na.ssl-images-amazon.com/images/I/41CNQREB8lL._SL160_.jpg
Klein Tools ET300 Digital Circuit Breaker Finder - Klein Tools
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Klein Tools https://images-na.ssl-images-amazon.com/images/I/41bph1mB0oL._SL160_.jpg
Klein Tools 69411 Circuit Breaker Finder Accessory Kit - Klein Tools
Rating info
eComparisons Score
eComparisons ScoreThe "Comparison Score" Is calculated based on the average number of times this item was compared with other items in this category by our users
6.6
9.6
0
0
9.2
User Rating (Amazon)
User Rating (Amazon)

Five Star Reviews:

52%

There are no reviews yet

81%
Very easy
July 1, 2017
I'm a noob diy'er and I loved how easy it was to cut up the dry wall with this. I was expecting it to be much harder. The lines were clean. It's a solid product.
Sharp and comfortable
May 9, 2017
Love the cushioned grip. Sharp teeth stay that way after 2 months of use so far. 4 more xx words.
Five Stars
May 2, 2017
works well
Five Stars
April 6, 2017
Great product. Very thick and strong materials. Still hard work cutting the drywall though. Definitely need some muscles!
It's a jab saw. A good one, but it's not a complicated tool. If you like the features, buy it.
January 5, 2017
The Stanley 20-556 FatMax Jab Saw is an inexpensive, well made Jab Saw for probably anyone with a use for such a tool. I was going to say that perhaps a professional should choose a better tool, but because nobody I know sharpens these things and you cut through all kinds of drywall and crap I look at it as mostly disposable once you wear it out.That said, I don't plan on needing another one in the next 10-15 years due to how often I use a tool like this and it's totally sufficiently durable construction.
Garden Roots! Meet Your Match!
May 30, 2014
Jab saws are often used to cut drywall but I found a better use! When planting on your knees, and come across a thumb-thick root and don't want to bother standing and getting a big heavy shovel, this saw blade knife, hacks through roots quickly. Be sure to always put this knife away or put in soil with handle up. The wet conditions will make this knife rust quick so take it inside, or rinse and dry.The price was better than in the big box hardware stores. The large rubber handle is perfect for garden conditions where moisture on a wood handle will cause slipping.
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Four Star Reviews:

5%
Four Stars
April 21, 2016
Great product would recommend to this anyone.
14%
Four Stars
August 3, 2017
Very sharp wish it came with a cover.
Perfect for it's job
April 26, 2017
This cut was able to cut through dry will like it was bread. Made my job mounting a TV on the wall extremely easy. Only problem is it got slightly damp and rusted overnight. Doesn't effect performance just annoying.
Four Stars
March 7, 2017
The drywall knife works great but had to buy an extra sheet for hints four stars.
The blade is very rigid making it easy to "jab" though wall board
February 4, 2015
The blade is very rigid making it easy to "jab" though wall board. I recommend using a forceful push as opposed to a jab for safety. The saw teeth are designed to handle wall board very easily and it can be turned in any direction without much effort.Someone just asked if the "cut will be smooth?" Yes, it is made for dry wall. I used it not long ago and it is very easy to control. Bottom line, the hole you cut will be hidden with an appropriate plate to match your connections and the edge of the cut out will be behind the plate.
Cuts thru plywood
September 30, 2011
I bought this to cut thru the false back on a shelf that was made of plywood. It cut thru in no time and left a pretty smooth edge as well. I did drill out a starter hole for it before cutting. Handle was rather comfortable for a hand saw as well.
Surprisingly Strong & Effective
January 14, 2010
I was creating a couple of openings for new electrical sockets in my home; I had started them by drilling smaller holes around the area I needed to saw out, and though I was using a fairly sharp drill bit, it was quite a task to drill all the way through the 2-layer, 1" thick drywall I was up against. Enter Fat Max... and I mean that literally. That little sucker tore through that drywall like it was French bread, and I was done with both openings in less than five minutes, with much less effort than I expected it to be. This is my first experience using a saw like this, and its ease of use is already giving me more ideas for home improvement. My landlord will just have to deal with it.....
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Three Star Reviews:

14%
Still getting the hang of it, just fiddled with ...
July 30, 2016
Still getting the hang of it, just fiddled with it a bit. But will update when used a bit more time.
Seems to work fine on regular drywall surfaces
May 30, 2016
Purchased from Home Depot for locating studs behind tiled walls of shower. I wanted to install a grab bar. The HD800 was inaccurate/could not get a clear reading on vertical studs. I specifically bought this since it advertised it could find studs behind tile. Seems to work fine on regular drywall surfaces.
Won't find studs reliably
January 14, 2016
Got this as a xmas gift. Was excited to try it as my 10 year old stud finder just wasn't cutting it anymore. Bought a new 9 v Duracell battery. Used it on a 3/4" thick drywall to find a stud to hang some shelving units. Held the unit against the wall, pushed the button, waited for 3 sec and moved the unit slowly to the right with only one hand holding the device. Indicated a stud was found but must have been a narrow one (less than 1 inch wide). Continued to move to the right another 3-4 inches. Then moved the unit to the left retracing the path it had already taken. Didn't find the same stud. Tried this numerous times. Still didn't reliably find the stud. But where it did indicate a stud was located I hammered a nail into the region (NO STUD). Tried it in several locations where it indicated a stud was found. NO STUD.I read the instructions, and used a thin piece of cardboard thinking this would help. It didn't. Considering how much this thing cost it ought to work a lot better than NOT AT ALL!!! Sorry Zircon, but this thing is as useful as a glass hammer.Updated Feb 20, 2016: Zircon left feedback to my original post to call them which I did. They gave me some suggestions which seemed to help to reliably find a stud. Note, the wall I am scanning is not smooth drywall, but has a textured or orange-peel effect. That may be part of the problem. Nevertheless, it is too bad that these additional instructions aren't included with the product packaging. One other note. After you place the tools next to the wall and turn on the power it is supposed to 'beep' according to the instructions on the back of the tool. Mine doesn't. And if you turn it on and the 'arrow' symbol appears, you have placed the tool on top of a stud. This occurs not matter where the tool is placed. So I am changing my star rating to a '3' and will once again call Zircon for further help.
3%
Ok for the money, but feels cheap
October 1, 2017
Feels cheap, sharp though. I will put my money into a nicer saw when I wear out this guy.
Three Stars
August 31, 2016
helped out a lot, but blade bent after a few uses.
Three Stars
July 23, 2015
messy way to cut dry wall
Sharp but not for tight spaces with limited space
March 2, 2015
Very sharp, but the big teeth require a long stroke. Didn't work for what I needed it for but will hang onto it anyway.
Works fairly well.
December 2, 2014
Works fairly well, however it was already beginning to rust when it arrived
like DeWalt, has been going south for a while ...
September 23, 2014
I've abused this thing badly. I've asked it to do things that it wasn't meant to do. And it's done well. Its okay. But Stanley, like DeWalt, has been going south for a while now... I've smashed out a lot of stuff with this thing for about a year? I'm about to replace it. Its okay, but it ain't great.
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Two Star Reviews:

10%

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2%
I expected better from the other reviews
September 5, 2016
I expected better from the other reviews. I haven't used it much, just was using it and it was surprisingly dull. I don't think any of my guys were particularly mean to it from the looks of things.I wouldn't buy it again for professional use, fine for a homeowner.
Two Stars
January 28, 2016
Rusted after second use
Great little tool
September 14, 2015
Great little tool, but somehow I managed to bend/kink it in the first few uses. Could use a slightly sturdier blade. But still gets the job done.
Two Stars
April 16, 2015
cheap
Two Stars
December 29, 2014
Should come with some kind of cover for th blade - how to store it safely? its very sharp
Really confused...
June 17, 2012
Looked good when first received. Nasty looking double set of teeth. Tried on cardboard box. It didn't cut well! I was shocked. My comparison was a serrated knife (a small Spyderco folder) that has less leverage but went through like butter. This one struggled a bit and we sent back.
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One Star Reviews:

19%
Confidence killer.
August 26, 2017
Super unreliable. You 'locate' a stud then try to double check and its in a different place. Confidence killed. Going in the bin.
It is not working well. (Maybe that one I ...
June 3, 2017
It is not working well. (Maybe that one I bought was a defect product.) It is totally not able to find a stud.
Don't buy.
January 16, 2017
Don't bother with this. It doesn't work. No matter how many times you can run it across known stud locations, it changes readings.This just doesn't work at all. It can only be described as abhorrent garbage.
Great for your kids toy box!
November 26, 2016
This is a kids toy. It can't be real. It works sure. But randomly.Insane how expensive this kids toy is. According to this I have 79 studs in wall, zero in another. Most expensive kids toy I ever bought my kid.
0%
Doesn't have a sheath or anything so I cut myself ...
April 16, 2015
Doesn't have a sheath or anything so I cut myself on it, and then proceeded to throw it in the trash.
0%

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0%

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Pricing info
Old Price
Old Price
Price
Price
$39.99updated: Mar 11, 2020
from 6 sellers
$13.50updated: Mar 17, 2020
$7.99updated: Mar 5, 2020
$27.95updated: Mar 5, 2020
$10.23updated: Mar 5, 2020
Features
Article Number
Article Number
0042186662573
5526680008211
0035632064670
5915903625814
6348288256233
Brand
Brand
Zircon
Stanley
Sperry Instruments
Klein Tools
Klein Tools
Height
Height
47.2 in
11.8 in
39.4 in
19.7 in
354.3 in
Manufacturer
Manufacturer
Zircon Corporation
Stanley
Sperry Instruments Inc
Klein Tools
North Coast Electric
Model
Model
66230
20-556
GFI6302
ET300
69411
MPN
MPN
66230
20-556
GFI6302
ET300
69411
Number of Parts
Number of Parts
66230
20-556
GFI6302
ET300
69411
Product Group
Product Group
Home Improvement
Home Improvement
Home Improvement
Home Improvement
Home Improvement
Product Type
Product Type
TOOLS
TOOLS
TOOLS
TOOLS
TOOLS
Publisher
Publisher
Zircon Corporation
Stanley
Sperry Instruments Inc
Klein Tools
North Coast Electric
Reviews
Reviews
-
-
Studio
Studio
Zircon Corporation
Stanley
Sperry Instruments Inc
Klein Tools
North Coast Electric
Weight
Weight
1.4 oz
0.0 oz
0.4 oz
0.5 oz
0.0 oz
Feature
Feature

Stud scan mode locates the edges and center of wood or metal studs up to 3/4 in. (19 mm) deep

DeepScan mode doubles the scanning depth to 1-1/2 in. (38 mm)

Metal scan locates non-ferrous metal, such as copper pipe, up to 1-1/2 in. (38 mm) deep and ferrous

WireWarning detection indicates the presence of live, unshielded AC electrical wire up to 2 in. (51

ACT (Auto Correcting Technology) automatically corrects common user errors, such as when scanning be

6-inch jab saw with a sharpened tip for puncturing drywall

SharpTooth technology cuts 50% faster than conventional saws

Induction-hardened teeth stay sharp up to 5 times longer than standard teeth

Thick, ergonomically designed grip resists slipping and adds comfort

6-inch blade; limited lifetime warranty

Durable: Hi-Impact Resistant ABS housing with soft over-molded rubber grips. Compact ergonomic design.

Quickly Read: Bright color-coded neon lights for easy visual indication.

Tests: Standard 3-wire and GFCI protected 120 Volt outlets. Frequency (Hertz) 60Hz

GFCI Function: Tests GFI outlets and standard outlets that are wired in series with GFCI outlets (multiple outlets in kitchen or bath)

Limited Lifetime Warranty & UL Listed: Compliance with both Canadian and U.S. requirements

Auto power-off feature conserves and extends battery life

Strong transmitter reaches distances up to 1,000 feet

90-120 Volt operation

Auto power-off feature saves battery life

Microprocessor controlled for more reliable identification

Quickly, accurately, and automatically find the corresponding circuit breaker of any 120V standard outlet

Flashing arrow indicator for easy identification

90 - 120V operation

Hooded-blade design keeps tip from slipping out of screws, especially when tightening hard-to-reach conduit fittings

Standard outlet 2-prong female-to-alligator clip adapter

Allows the circuit breaker finder (not included) to be clipped to exposed wires in electrical fixtures to find the correct circuit

Allows the circuit breaker finder (not included) to be screwed into a standard light bulb socket to find the correct circuit

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