Features: It adopts excellent material, has high hardness and long service life. It is used to expand the copper pipe so that the two copper pipe s connected when the air conditioner is installed. Comes with five different sizes, can meet your different needs. It must be installed on a handheld electric drill, and the shank diameter of 6.35mm is suitable for most electric drills. Small size and light weight, you can take it anywhere you want to use it. Specifications:Material: Carbon Steel Type: 1# (British System), 2# (Metric System) (Optional)Color: BlackQuantity: 5pcsPackage Size: 150*100*35mm / 5.9*3.94*1, 38inPackage Weight: 310g / 10.93oz Packing List:5 * Expander TubesMany 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