Torqueplus™ 11 Pc Deep Impact Socket Set, 1 2 in, 6 Point no checkout Used to provide leverage on Used to provide leverage on hand operated valve wheels Permits a smooth snap hammer action to make opening and closing stubborn valves easy The special shaped opening in the wrench reduces the chance of slippage when working in overhead or crowded positions Abrasive Material Aluminum Oxide Abrasive Trade Name BlueFire Anchor Brand Catalog NO Applicable Materials Steel shifting contact area and stress away from the fastener corners and distributing contact stresses over a large area of the socket minimizing slippage The TorquePlus™ design is a high performance drive configuration which allows for quick and easy socket engagement to the fastener flats