Contains 117 of the most commonly needed machine screw plug tap and hex die sizes, drill bits, spiral screw extractors, an adjustable handle tap wrench, 2-in-1 tap wrench, t-handle wrench, pitch gauges, and a plastic case. The IRWIN HANSON Machine Screw/Fractional/Metric Tap and Hex Die and Drill Bit Deluxe Set contains almost every tap, hex die, and drill bit a craftsman may need for maintenance and auto repair work. This massive set features tools perfectly crafted for hand-threading a variety of materials. Crafted of high carbon steel they provide the accuracy professional craftsmen rely on to get the job done right the first time.