Size:5 in. Tekton by M.I.T. 5 inch Heavy Duty C Clamp features:, Heavy-Duty Malleable Steel Frames, Precision-Machined Screw Assembly, Chrome Plated Steel Screw and Swivel Pad, Sliding T-Bar Handles, Baked Gray Enamel Finish, Jaw Opening: 5 inch, Throat Depth: 2.375 inch