90 Degree, Angle Clamp, Holds Aligns Materials At A 90 Degree Angle, Automatically Adjusts To Hold Two Different Sizes Of Wood Together, Jaws Automatically Adjust Within 4 Range, 2 x 2, 1 x 3 Etc, Die Cast Jaws Are Plastic Coated To Protect Work Piece, Open Design Allows Ample Clearance To Screw, Dowel Or Staple Material Together While Gluing, Maximum Passage For TJoints 1 18