• Surface Drive technology virtually eliminates the rounding of fasteners
• Made from chrome molybdenum alloy steel for exceptional strength and durability
• High-Visibility laser etched markings for quick size identification
• Secondary hard size stamping
• Parallel Neck down design on 8, 9, 10, 11mm standard and deep and 5/16”, 3/8” and 7/16” standard and deep sizes for improved access to restricted fasteners
• Corrosion resistant coating reduces rust
• Meets or Exceeds ASME B107.2/B107.33M
• Standard/Deep: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22mm
• Universal Joint: 3/8” x 3/8”