Premium MaterialThe 90-degree positioning bracket is made of high-quality aluminum alloy, anodized to ensure optimal durability and lightweight usability for years of use. 90 DEGREE POSITIONING SQUARE: The 3D woodworking ruler has clear inch and millimeter scales to measure length for more accurate positioning. Easy to carry and easy to use without damaging the edges. Suitable for wood, right angle metal and 90 degree weldingetc. Easy to useL-shaped corner clips are easy to use. These unique woodworking tools can be clamped to the inside and outside corners of the workpiece. The 90-degree right angle clip attaches to your bearing with an F clip (not included) or a C clip (notincluded). Wide ApplicationWoodworking Right Angle Fixture Set, professionally used for assembling and DIY clap boxes, drawers, cabinets, frames, furniture cabinets, etc. Great for hanging square shelving cabinets. Maintain a perfect square when assembling frames,cabinets, or just about any box