Williams 1727 Double Head Open End Wrench, 9/16 by 5/8-Inch,Snap-on Industrial Brand JH Williams,1727" /> 9/16 by 5/8-Inch heads Two openings in each wrench with 45-Degree chamfer on wrench ends allow easy placement of wrench on the fastener Continuous arc design minimizes spreading and is stronger than the V design Satin chrome finish that provides a good grip and cleans easily Double head open end wrench