EASY TO USE This profile simple gauge can easily measure the shape of irregular objects, you just press the contour gauge on one of the shapes, trim outline and cut into shape.It is very flexible: easy to take shape,easy and accurate transfer corners and contoured.It is a good helper carpenter to save you much time and energy to mark the precise cut. LONGER WORKING TIME Made of high-quality and durable ABS plastic,the contour gauge is sturdy,anti-rust, durable,lightweight and well built.It will not scratch the original finish of the shape being duplicated. MULTI-SCENE APPLICATION This contour gauge fits for measuring many irregular items?the teeth perfectly conform to shape and holds its pattern for hassle-free usage, They could be measured and duplicated for tile,winding pipes,laminate,auto metal sheet, circular frames,wood planking,ducts,flooring,carpet,etc. 2 SIZE TO CHOOSE We have two sizes of gauges.The larger contour gauge measures 25 cm/ 10 inches in length, 10 cm/ 4 inches in width, and the smaller one measures 12 cm/ 5 inches in length, 10 cm/ 4 inches in width.They are designed with both inch and centimeter, handy and convenient. Specification Color: Red Size:5 inch: 5.75 x 4.13 x 0.83 inch,10 inch: 10.8 x 4.13 x 0.83 inch Material: ABS Plastic Item Type: Profile Gauge Package contents:1 x Red Contour Gauge (5" or 10")