SharkBite 100-Pack 3/4" Pex Cinch Clamps, designed for making secure Pex barb fitting connections. These clamps are compatible with the Cinch Tool M. Ragan True Value Sales & Equipment #608-743 and are suitable for cross-link polyethylene Pex tubing connections. After crimping, each fitting can be immediately tested to over 100 PSI, ensuring a reliable connection. Made of durable stainless steel, these clamps are resistant to corrosion and built to last. They comply with ASTM F2098 and NSF 14 standards and come with a 25-year limited warranty for added peace of mind.