Proto J1200FASD Combination Wrench Set, 15-Piece, 12 Point

Increased torque applied to fastener with fewer rounded edges. Unique arc design increases surface contact. Anti-Slip Design ASD wrench has a locking groove prevents slippage and knuckle injury. Reduces risk of fastener rounding. Box end is precision broached. Improves grip on worn, rounded fasteners. Wrench Type: Combination SAE/Metric: SAE Opening Size: Assorted Opening Type: 12-Point Box/Open End.