Easy to use: easy to operate, just press and drag, draw lines without mistakes, perfectly copy every outline! Accurately measure different irregular shapes, and the measuring distance can be adjusted freely. Practical design: designed with a pulley end and a pointer end, both ends can be used. sliding and wear-resistant, no rust. Pointer end, fine measurement. High-quality material: The contour gauge is made of high-quality metal and ABS, high strength and anti-rust. The roller adopts stainless steel bearings, which are rust-proof and durable. Application: Suitable for DIY, construction, carpet laying, carpet cutting, ceramic molds, tool molds, etc. Adjustment and function: The contour gauge tool can be adjusted according to the needs. It can be locked and fixed after each setting to accuracy. Material: ABS Color as shown Package Contents: 1 x Black Contour Gauge 1 x Orange Contour Gauge 2 x pencils Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.