Torqueplus Protoblack Metric 12-Pt Combination Wrenches, 21mm Opening, 300.2mm

Features: Torqueplus fastening system drives off fastener body, more easily removing damaged fasteners | Reduces risk of fastener rounding | Applies more torque to fastener | Unique arc design increases surface contact | Anti-Slip Design (ASD) wrench has a locking groove prevents slippage and knuckle injury | Shank is positioned at the center of box end, reduces the tendency of the wrench to cock