Cantilever Clamp Jaw Pad Type Flat V-Grooved Jaw Opening - Maximum 1 in Throat Depth - Closed 1/2 in Throat Depth - Open 1/2 in Clamping Force 350 lb Body Finish Zinc-Plated Body Material Steel Spindle Material Copper-Plated Steel Handle Design Round Jaw Pad Material Copper-Plated Steel