Features: Achieve precise measurements with our Woodworking Square, for accurate measurement at 45° and 90°. Crafted from quality materials, our square is reliable and lightweight, easy to carry around. Perfect for woodworking enthusiasts, architects, and DIY enthusiasts who require accurate measurements. Large center hole designs would fit for your finger to hold , fastens this ruler on workpieces, easy and comfortable to place, handle, move around and will not damage fragile cuttings edges. The engraveds imperialsand metricscale on the side of 45 Degree angled ruler is clear and precise,easy to read and make mark. Specifications: Material:AluminumAlloy Color:Redness,Green,Purple1 Size:Approx.97mm/3.82''x68mm/2.68''x14mm/0.55'' Package Includes: 1x Carpenter Square note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.