What You Get: The set includes 4 90 degree positioning brackets, which are bright orange. Length: 80mm Thickness: 13mm For creating perfectly square boxes, drawers, cabinets, frames, furniture cabinets, etc. Durable Material: These positioning squares are made of high-impact plastic that ensures optimal durability and lightweight ease of use. This makes the positioning squares easy to clamp and strong enough not to bend. Perfect 90 Corners: The simple and easy-to-use square 90 will become your third hand in assembling cabinets, drawers, boxes or any project that requires a 90 degree corner. It can be used on a standard 90, a T-joint, outside 90 degrees, all four cornersand more. Easy to Use: Both the inside and outside edges of these positioning squares can serve as an accurate measurement guide. Embossed graduations (in inches and millimeters) are molded into the squares to provide a convenient measurement guide. Application: Perfect for all woodworking carpenters, whether you are making or repairing a picture frame, building a cabinet or repairing a drawer, building a box or welding a square piece. Our clamp angles are just a good helper to do this job properly.