Foldable, easy to carry and store, very convenient. It is easier to measure and draw angles, with multiple functions, accurate production and scale, providing you with a of use. Made of high-quality aluminum alloy, . 90-degree square is used for right-angle measurement, which can measure the vertical deviation of the internal and external angles of the workpiece, and can also be used for assembly and platform work. Small size and easy to carry describe: Name: Woodworking Locator Specification: R10/R15+R20/R30+R5/R25 Material: Aluminum alloy colour: red Package Contents: 3 x Woodworking locator 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.