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The General Tools 837 Contour Gauge Duplicator is a 6-inch stainless steel measuring tool designed for precise contour replication. Its smooth pin mechanism ensures accurate shape transfers, making it essential for woodworking, flooring, and other detailed projects. Lightweight and durable, it’s a must-have for professionals and DIY enthusiasts aiming for flawless results.




| ASIN | B00004T7RA |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 265,804 in DIY & Tools ( See Top 100 in DIY & Tools ) 109 in Vernier Callipers 543 in Marking Tools 2,304 in Pliers |
| Colour | Stainless Steel |
| Customer Reviews | 4.2 4.2 out of 5 stars (4,633) |
| Date First Available | 16 Aug. 2010 |
| Item Package Quantity | 1 |
| Item Weight | 68 g |
| Item model number | 837 |
| Manufacturer | General Tools |
| Material | Stainless Steel |
| Measurement System | inch |
| Part Number | 837 |
| Product Dimensions | 15.24 x 8.89 x 2.54 cm; 68.04 g |
| Size | 6-Inch |
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.
P**X
Good but a couple of issues to note.
It definitely saves time and mistakes as the hole is always 5mm from the edge. Also, as it is clamped down, there is no chance of it moving during drilling - so great. But 2 demerits: 1) The guide holes did not line up with the (Blum) hinges I was using. I don't know which manufacturer's hinges the guide holes are designed for. 2) The design does not allow for certain 35mm drill bits to be used. I bought an expensive Bosch drill bit and the shaft changes diameter right at the point where the locking screw (to set the depth) locks in. So, if you want to use an alternative drill bit to the one provided (which does the job okay but will blunt), you will have to hunt around for one with a longer thick shaft section.
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!
B**T
Profile guage
Good quality item, reasonably priced and difficult to obtain elsewhere.
J**L
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
Génial pour notre vieille maison
R**L
Very good to copy difficult shapes. Easy to use, and accurate.
B**A
Bom produto. Recomendo.
U**S
good
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