Cantilever Clamp Jaw Pad Type Flat Jaw Opening - Maximum 4 1/2 in Throat Depth - Closed 2 1/2 in Throat Depth - Open 2 1/4 in Clamping Force 1 700 lb Body Finish Zinc-Plated Body Material Steel Spindle Material Plastic Pad on Steel Jaw Handle Design Coated T Jaw Pad Material Copper-Plated Steel