Double Ended Chain Wrench Double ended general purpose, drog forged chain wrench. Enables the teeth to be reversed when dulled to double the tool life. Ideal for use as a filter and pipe wrench. Drop forged alloy steel construction Milled & heat treated jaws Pipe capacity marked on tool in both inches & mm Grit blasted oil coated handle Flat link high quality chains 过滤扳钳和带式扳钳