Armstrong 52-602 15 Piece 12 Point Metric Satin Finish Regular Length Combination Wrench Set Box Ends Incorporate a Radius Corner Design That Engages the Flats of the Fastener, Not the Corners, Providing Up to 15% -20% More Torque Box Ends Are Offset a True 15Degree for Clearing Obstructions and Knuckle Clearance on Flat Surfaces Open End Has a Radius Design for Greater Strength; Especially When Compared to a Hex Open End Large Size Stamp on Both Sides of the Wrench for Ease in Identification Satin Chrome Finish Provides Smooth Edges with a Bright Appearance