BESSEY CDF403C G-clamp CDF-C 75/60, BE107206 - Clamping force up to 18,000 N, Drop forged, The copper-plated spindle prevents welding splatter from sticking. These "C" clamps have heavy-duty drop-forged, heat-treated frames. CDF series feature a black powder coat finish, the handle,spindle and pressure pad assemblies have a black oxide finish.