【What You Get】: Set include 6pcs 90 degree positioning squares, with bright orange color. Used for create perfectly square boxes, drawers, cabinets, frames, furniture cabinets, etc. 【Durable Material】: These positioning squares are made of high-impact plastic construction that insures optimal durability and lightweight usability. Which makes the positioning squares easy to clamp and strong enough to not flex. 【Easy to Use】Our positioning squares have clear calibration near the center of the location ruler, there are 45 degrees and 22.5 degrees to quickly measure the angle. Place a square in the corner of the two stock pieces you need to square and secure with a set of clamps, very easy to use. It can be used on a standard 90, a t-joint, outside 90 degree, all four corners and more. 【Clear Scale】The right angle positioning squares has marks on both sides, the scale value is clearly visible, not easy to wear, Both the inside and outside edges of these positioning squares tools can serve as exacting measuring guides. Embossed gradation (in inches and millimeters) are molded into the squares to provide convenient measuring guidance. 【Professional Woodworking Tools】Designed to be clamped to boxes, picture frames, shelf cabinets and for outside corners.etc, to assist with squaring during glue up. It can work with clamping tool to check and position the corner for wood board jointing and gluing. It can be used for woodworking and welding at a right angle.