This complete set of 110 tap and dies is perfect for hand threading jobs at home, in the garage or at the shop. The set can be used to cut new threads or to chase existing threads. The taps and dies are made from hardened steel for maximum strength, durability and longevity and can cut through a wide variety of materials. The taps and dies feature a tapered design, allowing for an easier start and preventing overthreading. The set is supplied in a heavy-duty plastic blow-molded carrying case for easy transport, safe storage and quick organization.