Material: The stainless steel square angle ruler and the angle bracket are made of aluminum alloy, anti-rust, durable and no deformation. Size: approx. 300 x 120 mm High-precision workmanship: Adopt laser technology for high-precision workmanship, 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 45 degree miter, height or depth gauge. Spirit Levels: Combined with a level bubble, accurately measure balance to help improve work efficiency.Come with a built-in scriber, easy to mark without a pen. Application: Suitable for measuring, marking, laying out, etc. Features: 300mm (12") combined square Die-casting stainless steel body and aluminum alloy corner bracket, wear-resistant and durable. Using laser manufacturing, guarantees high precision. Come with spirit level and scriber to improve work efficiency. Specifications: Material: stainless steel and aluminum alloy Size: approx. 300 x 120mm Weight: 156g Package includes: 1 x combined square Note: Due to manual measurement, there may be an error of 0-1cm. The color in the picture may not be completely the same with the actual item due to shooting method and display device, make sure you don't mind before you buy, thank you!