Shaping Tool Heavy Duty Steel Drill For Air Conditioner Feature:1. 5 Pieces Set: This tool set drill bit set has 5 different sizes to meet your different work needs and make it easier.2. Practical Application: When installing the air conditioner, open the copper pipe and connect the two copper pipe together.3. Hex Chuck: 1/4in shank suits for universal hand strap and electric drill, and HEX design also guarantees a stable connection.4. Good material: forged molybdenum steel, not easy to rust and wear-resistant, very durable for long time use.5. Easy to carry: The compact size along with the light weight greatly simplifies carrying and storage. Specification: Item Type: Toggle Tool Material: Chrome Molybdenum SteelColor: Black Hexagonal Handle Diameter: Approx. 6.35mm / 0.3inSpecifications: 3/4in, 5/8in, 1/2in, 3/8in, 1/4in. Purpose: copper pipe tool kit. Packing List: 5 x Tool Drill 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.