液壓鏈?zhǔn)綂A緊鉗：

MDX液壓鏈?zhǔn)姐Q能卡持管子外徑3"到12", 并能承受50噸的管具， 工具上帶一個(gè)厚重的鏈條， V型支撐架，帶鉗牙，與氣動(dòng)液壓泵裝到一起， 能安全地閉合鏈條綁牢管子，此工具的扭矩能達(dá)到25,000ft-ibs.

MDX Hydraulic chain tong to hold up to 50 tons. The MDX tool has a heavy clamping leaf chain, "v" shaped support plate and tong dies able to hold a wide variety of tubular components. The MDX Hydraulic Chain Tong is equipped with an air hydraulic pump designed to safely latch the chain to be the vise allowing service to be performed without the tool slipping. The tool is able to withstand torques up to 25,000ft-ibs.