This clamp will miter or butt joints and is perfect for framing and cabinet assembly. Features 2-1/2-inch miter/butt joint capacity, 1-1/8-inch T-joint capacity, generous clearance for gluing, doweling, or stapling material, plastic coated die cast jaws for non-marring, rear jaw swivels for easy adjustment on different material thickness, large comfortable handle, and acme threads for strength.