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The General Tools 837 Contour Gauge Duplicator is a precision measuring tool featuring a 6-inch width and ±0.001 inch accuracy. Made from durable stainless steel, it offers smooth, reliable contour replication ideal for woodworking, flooring, and other detailed projects. Compact and easy to use, it’s a must-have for professionals and hobbyists aiming for perfect fits every time.




| ASIN | B00004T7RA |
| Best Sellers Rank | 13,454 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 13 in Vernier Callipers 124 in Marking Tools 487 in Pliers |
| Brand | General Tools |
| Brand Name | General Tools |
| Country Of Origin | USA |
| Customer Reviews | 4.1 out of 5 stars 4,653 Reviews |
| Global Trade Identification Number | 00038728241160 |
| Item Dimensions L x W | 15.2L x 8.9W centimetres |
| Item Weight | 68 g |
| Item weight | 68 g |
| Manufacturer | General Tools |
| Manufacturer Part Number | 837 |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model Number | 837 |
| Product dimensions | 15.2L x 8.9W centimetres |
| Set Name | Contour Gauge 837 |
| Size | 6-Inch |
| UPC | 733353399667 038728241160 640026903482 758710429740 |
| Unit Count | 1000.0011 gram |
| Unit count | 1000.0011 gram |
A**.
Great tool
Used it a few times it has come in handy
M**M
Excellent bit of kit
Nice USA made product. Smooth action on the pins makes it easy to obtain an accurate profile and there is sufficient friction to hold them in place to transfer the outline to your chosen surface. The only minor issue was that the packaging was poor but it did arrive very quickly and was undamaged.
N**N
Good tool
I needed this to profile some ceiling coving I had to box in and it worked very well helping me to create a perfect cardboard template. My only gripe is that there is no mechanism to lock the pins in place once you have taken the profile.
R**B
always wanted one of these for odd shaped skirting patterns
Does the job, smooth operation
S**S
Good Product, Very Poor Packaging
This profile gauge seems better made than the cheaper ones on the market. Unfortunately, the packaging was completely inadequate: it was sent loose in a poly mailing bag, with no bubble wrap or other padding. The blister pack had come apart and the pins in the profile gauge were splayed out and overlapping. Luckily, I was able to realign the pins and it doesn't seem to have suffered any permanent damage. Would have been nice to receive it intact though.
M**N
Does the job
Really useful tool. So far it has been great. Pins are stiff enough to be useable but not impossible to move. Feels solid and like it should last a while. Recommended.
S**A
Not fit for purpose. I want my money back!!
This is utter rubbish. When you use it the pins bend and move around to the sides diagonally so you cannot get an accurate shape. There are not specific holes for the pins, that are all just shoved in the same gap and pins also fall out when you try to use it as there is nothing holding them in at all. I spent more time trying to straighten out the pins and put them all back in than doing my DIY job! Don’t waste your money!!! I cannot return this now as I had it to long before I needed to use it and it is too late for a refund even though it is not fit for purpose. I WANT MY MONEY BACK!
A**.
Work fine for checking guitar neck profile. You may want to tape back of neck to prevent scratching
Lock feature? Doesn’t have one
J**L
A Must-Have Tool for Precision Woodworking!
I recently purchased the General Tools 837 Contour Gauge Duplicator, 6", and it has completely transformed my woodworking projects. This tool is an absolute game-changer for anyone who needs to replicate complex shapes accurately. First off, the build quality is top-notch. The durable plastic frame feels robust and dependable. The stainless steel pins are sharp and precise, ensuring a perfect contour every time. The 6-inch size is versatile enough to handle a wide range of applications. Using the General Tools 837 is a breeze. You simply press it against the surface you want to duplicate, and the pins conform to the shape, creating an exact replica. Whether you're working on trim, molding, or any other intricate design, this tool will save you hours of tedious measuring and trial-and-error. What I love most about this tool is its accuracy. It captures even the subtlest details of irregular shapes, allowing for precise cutting and fitting. This level of precision has significantly reduced waste material and improved the overall quality of my projects. In terms of value for money, the General Tools 837 Contour Gauge Duplicator is worth every penny. It's a versatile, time-saving tool that's a must-have for anyone serious about woodworking or DIY projects. It has quickly become an indispensable part of my toolkit. I highly recommend the General Tools 837 Contour Gauge Duplicator to fellow woodworkers and craftsmen. It's a small investment that will pay off in the form of precise, professional-looking results. Say goodbye to guesswork and hello to precision with this fantastic tool!
A**2
Super pratique
Génial pour notre vieille maison
G**E
Perfect for the person who has it all…
I bought this as a surprise gift for my husband, who is basically impossible to shop for because he already has everything. This ended up being such a handy little tool. It’s great for home projects, but I’ve also seen people use it for things like tracing the exact shape of chipped veneer for furniture repairs, which is so smart. It feels like one of those tools you don’t realize you need until you have it. Definitely a great gift for someone who likes DIY projects or fixing things around the house.
B**A
Boa qualidade.
Bom produto. Recomendo.
U**S
good
good
Trustpilot
1 month ago
1 week ago