Set of 4 90-degree L-type right-angle positioning brackets, woodworking tool for boxes, doors, and picture frames

High-quality materials with clear calibration. Near the center of the positioning ruler, there are 45-degree and 22.5-degree markings for quick angle measurement. Durable, clear scale, high hardness, rust-resistant, easy to repair, suitable for a variety of workpieces. Suitable for gluing and assembling boxes, drawers, frames, furniture, cabinets, etc. Easy to carry, easy to use, and won't damage edges. Suitable for wood, metal right angles, and 90-degree welding, etc. Contents: 4 x L-type 90-degree positioning squares