1、Useful Ruler: This triangle ruler can be used to measure angle and length, and the level base makes the drawing much easier. 2、Clear Scale: Laser marking brings clear scale with high accuracy, which also enables convenient angle and length conversion. 3、Exquisite Craft: Both the edge and corner are polished, so the thickened carpenter square is too smooth to hurt your hands. 4、Aluminium Alloy: Made of aluminium alloy, wear resistant and corrosion resistant, has high hardness and good durability. 5、Easy Carrying: Comes with a light weight and a compact size, the carrying is as convenient as storage, making DIY simpler. 1 x Triangle Ruler Item Type: Triangle RulerMaterial: Aluminium AlloyFunction: Aluminium Alloy Triangle RulerColour: BlackMarking Method: Laser MarkingSide Length: Approx. 262 x 185 x 185mm / 10.3 x 7.3 x 7.3inThickness: Approx. 4mm / 0.2in