[Material]This triangle ruler is made of strong aluminum alloy with oxidation treatment, this woodworking triangle ruler is durable, anti-deformation, practical, rust-proof and corrosion-resistant [Precise Measurement]The engraved imperial and metric scales on the front and side of this angle ruler are clear and accurate, it is convenient and easy to read the value or make a mark when using it [Application]The 45-degree aluminum alloy triangle ruler can be used to make handicrafts, clip boxes, photo frames, etc. A useful gadget for woodworking enthusiasts, builders, , engineers and hobbyists [Easy to Use]: The center hole is designed to fit your to secure or attach this ruler to your workpiece, easily and comfortably place, handle or move it around without damaging the fragile Colour:As Shown Material:aluminum alloy Size:9.4 x 6.8 x 1.5cm Package Contents: 1 x Woodworking triangle ruler 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.