Features1. High Quality Material. 90 degree positioning square made of high quality aluminium alloy with anodized surface that insures optimal durability and lightweight usability.2. 90 degree angle ruler. 3D woodworking ruler with clear scale in inches and millimeters for measuring length to positioning more accurate.3. Easy to Use. beveled edges, easy to handle and won't damage fragile cutting edges.4. Rounded Corners. Beveled edges, No damage to hands, no deformation. Easy to handle and won't damage fragile cutting edges5. Wide Application. Carpentry right angle jig set professional use to assemble and DIY by claping boxes, drawers, cabinets, frames, furniture cabinets, etc.Specifications:Material: Aluminium AlloyColor: Red, BlueType: 1pc without box, 2pcs with boxSize: About.12x12x1.6cmAngle: 90Shape: L typePackage includes(optional):1pcs x Square Ruleror2pcs x Square Ruler+1pc x Box