1The positioning square is a standard rightangle design, specially used for rightangle fixing and positioning or measurement. 2With metric and imperial unit readings, it has strong practicability and is widely used in woodworking projects. 3Made of aluminum alloy material, wearresistant and corrosionresistant, not easy to deform when used for a long time. 4The rightangle clamp has multiple holes for easy fixation, and it is more convenient to use with positioning blocks and screw rods. 5Easily create accurate right angle wood products for use on boxes, photo frames and other objects to help with calibration. Item Type: 90 Positioning Square Model: A Type Material: Aluminum alloy Color: Red Measurement Scale: Metric + imperial Uses: Woodworking tools, right-angle fixing/positioning, height/length measurement 2 x 90 PositioningSquares 4 x Positioning Blocks 4 x Right Angle Screw Rods 4 x Plastic Handles 4 x Gaskets