SharkBite 3/4" Stainless Steel Cinch Clamps are expertly designed for use in PEX plumbing systems with barb fittings. These durable stainless steel rings provide a secure and watertight connection by fastening PEX tubing firmly to the barb fittings. Installation requires a PEX Clamp Tool, which is compatible with clamp rings of various sizes, including those up to 1 inch. The clamp tool ensures the cinch clamps are tightened securely, resulting in a reliable, leak- seal. I for both professional plumbers and DIY enthusiasts, SharkBite Stainless Steel Cinch Clamps simplify the process of creating strong, long-lasting connections in your plumbing projects. Model Number: UC955A