General description These 90 Degree Positioning Squares are designed for precise right angle clamping in woodworking and metalworking. They are easy to use; simply place a square in the corner of the two pieces of material you need to square and secure with clamps. Technical specifications Material: Aluminum alloy Dimensions: Length: 120mm, Width: 120mm, Thickness: 16mm Weight: 1.6 kg Surface: Anodized red, durable and corrosion resistant Usage Suitable for crates, shelves, door making Ideal for outside corners and 90 degree welding of wood and metal Beveled edges for easy handling without damaging fragile cutting edges Other information Package Content: 4 x Right Angle Positioning Rulers