Make assembling furniture and cabinet casework a simple process with WoodRiver® 3" Clamping Squares. Don’t waste any more time trying to keep your corners lined up while you install fasteners. Just line up your work with the 90° square, grab a pair of your favorite clamps, and secure your work to the square. Now you have both hands free to properly secure your wood together.Features: Ensures proper alignment while installing fasteners Prevent shifting while glue is setting Provide good registration against the work and a reliable surface to seat clamps on An economical, effective solution with a wide range of common applications Used with small clamps Specifications: Dimensions: 3" x 3" (80 mm x 80 mm) Size: Each piece is 7/10" (18 mm) wide Each angle is set to 90 degrees What's Included: (4) WoodRiver® 3" Clamping Squares