Product material: The is made of aluminum alloy, which has the characteristics of high hardness, light weight, corrosion resistance, and rust resistance. Product Design: The body of the ruler is thickened, one ruler is multi-purpose,measuring 45/60/90 degree angles, easy to disassemble, and convenient to carry. Product Features: The surface of the measuring ruler is anodized, with high surface hardness and wear resistance, which helps to maintain the accuracy of the scale. It can be used as a woodworking measuring tool and square, easy to operate, and capable of measuring, correcting, marking, etc. Common Functions. Applicable Scenarios: Suitable for DIYers, engineers, carpenters, and decorators. It is an essential measuring tool for workers in the wood industry. Angles:45 degrees, 60 degrees, 90 degrees Function:Multi angle marking, measurement layout, center marking, diagonal marking Tips:The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Type:B:With Steel Ruler/A:Without Steel Ruler Colour:Red Material:Aluminum alloy<br><br>Package Contents: 1 * positioning block 1 * steel ruler / 1 * positioning block Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.