Material: The stainless steel square angle ruler and angle bracket are made of aluminum alloy, anti-rust, durable and no deformation. Size: approx. 300 x 120 mm High-precision manufacturing: Adopt laser technology for high-precision manufacturing, double-sided ruler in mm and cm graduations. Embossed graduation for easy reading and durability. Multi-dimensional measurement: Can realize level measurement, 90° angle measurement, 45 degree angle measurement. Can be used as a miter gauge, height or depth at 45 degrees. Bubble levels: Combined with a level bubble, accurately measure the balance to help improve work efficiency. Come with a built-in scriber that allows easy marking without a pen.Application: Suitable for measuring, marking, laying out, etc.Features: 300mm (12") Combination Square Die-cast stainless steel body and aluminum alloy corner bracket, wear-resistant and durable. Use laser manufacturing, ensures high accuracy. Come with a spirit level and a scriber to improve work