A full range of forging tools makes it easy to expand HVAC pipes. Features: 6 piece set, with the most popular HVAC pipe diameter: 1/4 inch, 3/8 inch, 1/2 inch, 5/8 inch, 3/4 inch, 7/8 inch. Made of high quality metal materials, durable to use. Maintain copper/aluminum ductility during die forging to avoid cracks and leaks. Suitable for hard and soft copper standardized, easy to solder swaging kit. Forging cork will provide a large shaping depth to achieve a perfect fit. When installing the air conditioner, unwind the copper pipe to make two copper pipe together. (Must be installed on a hand drill). Enough quantity, complete specifications, perfect to meet your work needs. Specifications:Material: Metal Package Weight: 150g / 5.29oz Package Size: 120*80*27mm / 4.72*3.15*1, 06in Packing List:6*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