1、WITH GONIOMETER: This woodworking triangle ruler comes with a goniometer, which helps to easily measure various angles and ensure accurate marking. 2、ALUMINUM ALLOY: The ruler is made of aluminum alloy, light weight and easy to operate, wear, corrosion and scratch resistance, has a long service life. 3、EASY READING: Ruler finish with low glare and protective powder coating, with deep markings and white scales for maximum readability in any lighting. 4、SIMPLE OPERATION: When using, adjust the triangle ruler to the required angle, tighten the nut, and then press the adjustment lever to achieve precise positioning. 5、MULTIPLE USAGES: This triangular ruler can be used as a saw guide, bevel or protractor for a wide range of applications, with glossy corners for safe operation. 1 x Triangle Ruler Item Type: Triangle RulerMaterial: Aluminum AlloyColor: Black, RedUse: Woodworking Tool