This convenient kit comes with 8 commonly used tap tools. For aluminum, brass, copper, plastic and mild steel. Klein provides two each of the smallest sizes for a total of 8 taps. Each works easily with the quick connect in power tools. Includes a carrying case to keep your taps in one place for immediate access. Drill, tap and deburr in one easy step For aluminum, brass, copper, plastic and mild steel Designed for use on up to 10 gauge metal 1/4-Inch hex for easier application with quick connect High speed steel for added durability 6-32, 8-32, 10-32, 10-24, 12-24 and 1/4-20 tap sizes Includes a carrying case Specifications Application: For Aluminum, Brass, Copper, Plastic and Up to 10 Gauge Metal Special Features: Drill, Tap and Deburr in One Step Tap Sizes: 6-32 (2), 8-32 (2), 10-24, 10-32, 12-24, 1/4-20 Material: High Speed Steel Overall Length: 4'' (10.2 cm) Type: Drill Tap Kit Weight: 1.5 lb (0.7 kg) UPC: 092644322174