Handy, two-in-one tool provides convenient task-specific versatility
ASD crescent end features a unique locking groove that prevents fastener slippage, virtually eliminating nut and bolt rounding
Torqueplus™ box end allows you to get up to 15% more force on problem joints
Arched surface enhances force distribution, minimizing the potential for stress-point fractures
Strong, satin-finished chromium-vanadium steel stands up to the rigors of heavy use
Wrench Type: Combination; SAE/Metric: SAE; Opening Size: 9/16; Opening Type: 12-Point Box/Open End.