Professional Woodworking Tools: Designed to be attached to boxes, photo frames, shelving cabinets and for outside corners, etc., to aid square footage when gluing. It can work with tightening tool to check and position the corner for gluing and gluing. It can be used for woodworking and right angle welding. Handy tool to make your woodworking project easier. Versatile Use: With our 90 degree positioning clamps, you will have exactly what you need to perfectly create square boxes, drawers, cabinets, picture frames, furniture, etc. Some carpenters even find it useful to integrate them into their jigs and fixings. Satisfaction - Great utility - Efficiency square. Perfect 90's corners: it will be a breeze to create the 90 degree precision right angle woodworking, therefore essential to ensure balanced results of the project. Attaches quickly and easily to the squares. Our positioning squares have a clear calibration near the center of the placement ruler, there are 45 degrees and 22.5 degrees for quickly measuring the angle. material: positioning squares with a high impact plastic construction that guarantees optimum durability and ease of use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia