Torqueplus 12-Point Short Box Wrenches, 1/2" x 9/16", 5 3/8" L

Features: Torqueplus fastening system drives off fastener body, more easily removing damaged fasteners | Applies more torque to fastener | Reduces risk of fastener rounding | Anti-Slip Design (ASD) wrench has a locking groove prevents slippage and knuckle injury