The BESSEY - RSC-18 is a bar clamp designed to hold workpieces during assembly, gluing, fastening, or machining processes. This tool is equipped with a bar-slide sliding mechanism and intended for use in woodworking, metalworking, and general assembly tasks. The bar and handle are constructed from steel. Key Features of the BESSEY - RSC-18 Bar Clamp include: Maximum jaw opening: 18 in; Clamping capacity: 18 in.Clamping force: 1,100 lb.Jaw pads: Standard type.Handle: Steel with grip.Swivel pad: Snap-On type.Throat depth: 4 3/4 in.Handle length: 4 in.