Professional-quality mechanic's tool at a great everyday low price
Exclusive Dyna-Drive™ Torque System on the working side
Heat-treated chrome-vanadium steel
Meets or exceeds ANSI specifications
Pro-Grade™ 3/4" Drive Extension is precision made following the strictest quality controls and using only the finest materials available. It's designed to perform and built to last. We're so sure of its quality and toughness, we back each and every one of them with a 48-hour FREE replacement warranty for the life of the tool. Dyna-Drive™ Torque System provides the driving force you need with no slipping and no stripping (Impact Socket grips the side of the fastener, not the corners as with conventional Impact Sockets). Features 4-sided ball detents in the drive recess for firm grip with every drive accessory plus chamfered and recessed leading edges for the best possible fit. When you want quality and the highest level of satisfaction, you want Pro-Grade™. Pro-Grade™-a name you can trust, a tool you'll be proud to own. For 48-hour free replacement, call toll-free 1-800-248-6657.