Features:: Made of ball bearing steel, and not easy to damage. Which make your work easier and faster. Intended use: when installing the air conditioning, open the copper pipe so that the two copper pipes are connected together. They can be installed on a handheld electric drill. Easy to operate: Easy to install, perfect for installers, no matter you are just learning or doing it. Multiple Sizes: Different sizes of reamer are available, you can choose the suitable one according to your needs. Special design: through frictional heating, the surface between the flame and the valve is enlarged, which revolutionizes the system of cast tube. Specifications:Material: Alloy Color: BlackProduct Size: 7/8 Inch+3/4 Inch+5/8 Inch+1/2 Inch+3/8 Inch+1/4 Inch Package Size: 10*6*1cm/3.9*2.4*0.4in Package Weight: 180g/6.3oz Package List:6 * Tool Drill BitMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis