If you're looking for a versatile and reliable way to join PEX or PE-RT pipes together, look no further than the SharkBite 3/4 Inch Copper Crimp Rings. These rings are easy to use and provide a watertight seal without the need for soldering. Simply crimp the ring onto the pipe and fitting of your choice and you're good to go. The rings are available in sizes from 3/8 inch to 2 inches and work with both brass and poly PEX crimp fittings.