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
