Williams 1220BSC Super Combo Combination Wrench, 5/8-Inch

Size: 5/8"Overall Length: 9-1/2"Closed End Points: 12Material: SteelFinish: Black IndustrialSUPERCOMBO Open End Has Specially Designed Grooves That Direct Wrench Force Away From Fastener CornersSUPERTORQUE Box Opening Design Allows Higher Torque Without Rounding Or Deforming Fastener Corners By Placing Wrenching Forces On The Flat Surfaces Rather Than The PointsMay Be Used On All Common Hex (6 Point) Fasteners With Considerable Advantage Over Conventional Box End Wrenches To Increase Both Hand Tool Flexibility And EconomyBox End And Open End Are Identical Sizes