1 / 6Amazon Basics DS-CTG001 Contour Gauge Set, 12.7 cm and 25.4 cm
The Amazon Basics DS-CTG001 contour gauge set includes two profile tools for copying irregular outlines. Its friction-fit pins do not lock, so it suits tracing tasks where you can hold the profile in place while marking.
At a glance
- Two gauge lengths address larger outlines and tighter spaces.
- Both tools have visible metric and imperial scales on both sides.
- Manufacturer claims integrated magnetic backing for steel storage surfaces.
- Friction-fit pins are non-locking and must be held in place during marking.
Reference price: $30.36
Price checked: Nov 13, 2026
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Pros and cons
Pros
- Two sizes provide a choice between a wider profile and access in tighter areas.
- Dual-sided metric and imperial scales make it possible to reference either measurement system.
- Plastic construction is presented as a lighter, surface-friendly alternative to metal gauges.
Cons
- The non-locking pin mechanism can require a hand to keep the traced profile in place.
Technical specifications
9 specifications| Brand | Amazon |
|---|---|
| Model | DS-CTG001 |
| Gauge sizes | 12.7 cm and 25.4 cm |
| Dimensions listed | 28.19 x 10.16 x 3.81 cm; 625.96 g |
|---|---|
| Weight listed | 625 g |
| Material listed | 40%ABS 60%PS |
|---|---|
| Colour | Black Red |
| Scale | Dual metric and imperial scales |
|---|---|
| Mechanism | friction-fit (non-locking) mechanism |
Who is it for?
A good fit for
- DIY users copying irregular outlines for woodworking, flooring, tiling, vinyl, or molding.
- Buyers who want both a 12.7 cm gauge for tight areas and a 25.4 cm gauge for larger profiles.
- People who prefer metric and imperial scales on the same tools.
Less suited to
- Users who need a gauge that locks its pins securely for transfer without holding them.
- Projects requiring a profile wider than the 25.4 cm gauge.
Customer reviews on Amazon
- 5 stars
62% 62% - 4 stars
16% 16% - 3 stars
12% 12% - 2 stars
5% 5% - 1 star
5% 5%
Customer feedback describes the tool as handy and practical, with positive comments about perceived value and usefulness. Experiences are mixed on functionality, accuracy, and durability, and some users report difficulty keeping the profile in place during transfer. That concern matters because the listing itself specifies a non-locking friction-fit design. The overall ratings lean positive, but do not settle how reliably it will hold a shape for an individual project.
Positive themes
- Customers describe it as handy and practical and report positive impressions of value.
Negative themes
- Some users report difficulty keeping the pins in place during transfer.
Mixed feedback
- Customer feedback is mixed on functionality, accuracy, and durability.
Frequently asked questions
Do the pins lock in position?
No. The listing describes a friction-fit, non-locking mechanism and says to hold the pins in place while marking.
What sizes are included?
The listed sizes are 12.7 cm and 25.4 cm. The feature description also calls them 125 mm and 250 mm.
Are both metric and imperial scales provided?
The listing says both gauges have visible metric and imperial scales on both sides.
Can the gauges be stored on a steel toolbox?
The listing claims magnetic backing on both gauges for storage on steel toolboxes, workshop pegboards, or other magnetic surfaces.
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