Durable MaterialThe copper tube extender is designed to work with PE pipes, it is an effective tool for burning PEX and copper, this copper extension tube is made of solid stainless steel and copper, which is durable and has a long service life. Pipe SizeCopper Sleeve Stretchable Copper Pipe Diameter 6mm, 8mm, 10mm, 12mm, 16mm, 19mm, 22mm (1/4" 5/16" 3/8" 1/2" 5/8" 3/ 4" 7/8"). Hinge DesignThe copper extension tube is hinged to prevent the handle from wobbling and ensure stable operation. Widely UsePlumbing tools is widely used in the maintenance of refrigeration equipment such as refrigerators, air conditioners, and freezers. Easy to OperateThe refrigeration socket clamp is lightweight and compact, with a spring-loaded design, making it easy to work. Quantity delivered: 1 piece