input the clamping force to make drilling work Successfully completed, it can be used for forward and reverse occasions, and is more suitable for supporting impact drills. It is a new generation product. ModelMax.opening (mm)Qty/Ctn (pcs)Packing size (cm)G.W./N.W. (kg) Q19125100841脳31脳3312/11China Bench Vises manufacturers website:http://www.tzhrmachine.com/bench-vises/