🔧 Crimp your way to plumbing perfection! Achieve reliability without breaking the bank. Requires a crimp tool for a seamless setup. Works flawlessly with various PEX piping systems. Perfectly crimp brass or poly PEX fittings with ease. Crafted from robust copper for long-lasting performance. Cost-effective solution Compatible with PEX & PE-RT 3/8" size The SharkBite 3/8 Inch Copper Crimp Rings come in a pack of 25 and are designed for crimping brass or poly PEX fittings onto pipes. These durable copper rings are compatible with both PEX and PE-RT pipes, ensuring a versatile and cost-effective plumbing solution.