SharkBite 3/4" Copper PEX Crimp Ring, 25-Pack is an essential component for installing barbed fittings with PEX pipe. These crimp rings are designed to create a secure and watertight connection between the PEX pipe and the barbed fitting. To use them, simply insert the barbed fitting into the PEX pipe and then slide a crimp ring over the outside of the pipe. Once in place, use a crimping tool to compress the ring, securing the fitting tightly to the pipe. This creates a dependable connection that ensures leak- plumbing. Whether you're a professional plumber or tackling a DIY plumbing project, the SharkBite Copper PEX Crimp Rings provide you with the reliability and peace of mind you need to complete your installation successfully. Trust in their quality and performance for your plumbing needs. Model Number: 23103CP25