The Jorgensen 48 in. Cabinet Master Bar Clamp is a parallel clamp designed for flat panels, boxes, cabinets, frames and panel door assemblies. The clamp has large steel jaws and is ideal for any project that requires evenly applied pressure.. Clamp Type: Bar. Clamping Strength (lb.): 1000. Hand Tool Type: Clamp. Individual/Set: Individual. Material: Steel. Maximum Opening (in.): 48 in. Returnable: 90-Day. Tools Product Type: Hand Tool. Jaw Width (in.): 1.875 in. Throat Depth (in.): 3.75 in. Jaw Width (in.): 1.875 in. Throat Depth (in.): 3.75 in. Clamp Type: Bar. Clamping Strength (lb.): 1000. Hand Tool Type: Clamp. Maximum Opening (in.): 48 in. Material: Steel. Individual/Set: Individual