Finish: Black Phosphate; Length Format: Deep; Drive Tang Size: 3/8; Drive Type: 6 Point Surface Drive; SAE/Metric: Metric; Set Size Range Min: 8mm; Set Size Range Max: 21mm; Set Included Storage: Plastic Socket Rail; Set Piece Count: 13; ASME Specification: B107.33M.

• Chrome Molybdenum Alloy Steel (CR-MO) For Exceptional Strength and Durability
• Surface Drive Technology Reduces Fastener Rounding
• Black Phosphate Coating to Resist Corrosion
• High Visibility Laser Etched Markings
• Secondary Hard Stamping-Part and Size