The perfect 90 degree angle: The 90 degree square is convenient compatible with 90 degree right angle woodwork, saving you time.Easy to use: This square marker tool can be clamped to the inside and outside corners of the workpiece. Professional compatible with assembling and DIY drawers, cabinets, frames, furniture cabinets and more.Metric scale: The metric scale of the 3D L-shaped square is clear and the length is more accurate. The scale is 0-45mm on one side and 0-75mm on the other.Solid aluminum: The right-angle positioner is made of high-quality aluminum alloy with anodized surface compatible with perfect corrosion resistance, ensuring durability.The thickness of the ruler body is about: 15MMMeasuring range: 75 x 45mmColour:RedMaterial:Aluminum alloyPackage Contents:2 * 90 Degree CornersOnly the above package content, other products are not included.Note: Light shooting 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.