Instructions for Use: Place a square in the corner of the two pieces you need to square and secure with a set of clamps. Available in 12 cm, and come in packs of two. 15.2 cm squares are available in our store. Easy to handle and will not damage fragile cutting edges. Premium Quality Made of aluminum alloy with anodic oxidation treatment, it is durable and rust-proof. Designed to help hold joints firmly and square at an exact 90-degree angle. Useful and practical tool, easy to use, excellent for welding work. Suitable for woodworking, welding, and other applications. right angle of metal, etc. Positioning Squares 11.9 x 11.9 cm Length: 120 mm. Width: 120 mm. Thickness: 16 mm Inches and millimeters 3D woodworking ruler, with clear scales, in inches and millimeters, used to measure length and position more accurately Pack of 2 Clamping Squares Angle: 90 degrees Material: Aluminum alloy Shape: L-shaped Color: Red Quantity : 2 pieces Compatible with: Suitable for wood / metal ?? right angle / welding ?? 90 degrees / welding Maintain a perfect square while assembling frames, cabinets, or just about any box