90 Degree Positioning Squares with 4 Clamps, 5.5" x 5.5" (14x14cm) Sturdy Aluminum Alloy L-Type Right Angle Corner Clamp for WoodworkingQuickly and easily create perfect 90 corners in your woodworking or welding projects using this set of clamping positioning squares. The included clamps can hold boards that are up to 2. 1 inches thick. Includes two 5. 5" L shaped right angle pieces and four clamps. The angle squares are anodized for durability and feature flat polished edges. Excellent for gluing, jointing, and other assembly processes of cabinets, boxes, picture frames, and more