• Designed for maximum engagement on 6-point fasteners
• Suitable for use with pneumatic and electric impact wrenches
• Specially heat treated for impact use to provide long life, safety, and durability
• Drive end features pin retention hole and groove
• Catered to Complement 3/8" Impact Wrenches
• Compact Set with Only Commonly Used Sizes
• Complements existing BLPATSIMM1215 (1/2")
• Sizes include: 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm