Williams 8811W Offset Pattern Box End Wrench, 1-13/16-Inch,Snap-on Industrial Brand JH Williams,8811W" /> 1 13/16-Inch Striking face wrenches are designed to be struck by a hammer on the anvil area in order to loosen frozen fasteners or to set and tighten fasteners Anvil is proportional to opening size Special heat treating provides maximum durability for long life Offset handle is close to the head to provide clearance in confined areas