J&R Quality Tools XZN Triple Square Spline Bit Socket Set, S2 Steel | 10-Piece Set
The hex bits in this set are made of drop-forged, heat-treated S2 steel alloy to withstand long-term use, and the sockets are composed of Chrome-Vanadium to provide optimal strength and durability. The sockets’ chrome plating also provides oil and corrosion resistance. A protective storage case is provided to keep your set organized. This set is perfect for use with breaker bars, torque wrenches and ratchets (not for use with impact tools). This set meets and exceeds ANSI standards and comes with a lifetime replacement guarantee.