Features: Made of high quality stainless steel, with high hardness and corrosion resistance, durable to use. The design of the two arms measures internal and external angles quickly and easily. Red color and black word mark on the surface, easy to read data. The high hardness ruler does not deform and makes a great double-sided cutting guide and double scale, easy to use. Two different ruler sizes for your choice, meet your different needs. Specification:Material: Stainless SteelColor: SilverRuler Width: 2cm/0.8inchSize: #01, 300mm*150mm; #02, 500mm*250mm (optional) Packing List:1 x Angle RulerNote:1. Please allow slight error due to manual measurement. Thank you for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.