Feature:1. 5 PIECES SET: This flaring tool drill bit kit has 5 different sizes, which will meet your various work needs and make it simpler.2. PRACTICAL USE: When installing the conditioner, open the copper pipe and connect the two copper pipes to each other.3. HEX SHANK: The 1/4in shank suits for universal hand and electric drill, and the hex design also guarantees firm connection.4. GOOD MATERIAL: Forged with molybdenum steel, not easy to rust and wear resistant, very durable for long use.5. EASY CARRYING: Compact size together with light weight largely simplifies the carrying as well as the storage.Specification:Item Type: Swagging ToolMaterial: Chrome Molybdenum SteelColour: BlackHex Handle Diameter: Approx. 6.35mm / 0.3inSpecifications: 3/4in, 5/8in, 1/2in, 3/8in, 1/4in. Purpose: Copper tube flaring tool. Package List:5 x Swagging Tool Drill Bit