114 Piece Combination Ratcheting Tap and Die Drive Tool Set, Inch Metric, Hex ORS NASCO Built with technology that positions Built with technology that positions the rivet closer to the cutting edge so considerably less force is required to cut Electrocoated protective finish to prevent rusting Laser heat treated cutting edges Constructed of heavy select Premium A+ side split cow leather and sewn with Dupont™ Kevlar® Cotton canvas back and rubberized safety cuff keep your hands cool Die adapter works on round and hex shaped dies 5° ratcheting arc with reversible lever eliminates hand over hand turning Patented Twist Lock Guide System reduces "back walk" of die guard Die adapter works with Pass Thru® Ratchet and Socket System as well as Vortex™ socket accessories Autolocking feature allows for safe removal of tap adapter