WORKPRO Ratcheting Combination Wrench Set 7PC SAE 5/16"-18/16'' W/Organizer Rack

The wrench hardness up to HRC 50 makes the wrench able to bear more force. Precision Design for Efficiency: The combination wrench has a 12-point box end. And combo ratchet wrenches have 72 teeth ratchet, realize 5 degrees swing to help tighten bolts efficiently, and are conveniently suitable for tight spaces.