General description This Aluminum Alloy 90 Degree Positioning Square is an essential woodworking tool designed for clamping boxes, frames, and shelves. Made from high-quality aluminum alloy with anodic oxidation treatment, it ensures durability and rustproof performance. This precise clamping square features true right angles for both internal and external squares, making it perfect for achieving accurate squaring during gluing. Technical specifications Material: Aluminum alloy Dimensions: 12 x 12 cm Graduations: Metric and inch Pack includes: 2 squares Usage Place the square at the corner of the two pieces to be squared. Secure it with a set of clamps for accurate alignment. Ideal for creating boxes, drawers, cabinets, picture frames, and furniture. Useful for woodworkers to incorporate into jigs and fixtures.