●PEX Cinch Clamps are made of 304 stainless steel,salt resistant, anti rust, anti-corrosion, construction,low Temperature Strength ●These Interlocking rings provide a fast and reliable connection of all PEX pipes fittings,easier to install, clamp more securely, and fast ●304 Stainless steel cinch crimp rings are constructed with high-quality materials,can withstand heavy use without cracking or leaking,combining durability and ease of use ●Widely applications in all plumbing system,securing hoses, air lines, vacuum hoses, garden hose,water heater, cable, tube, fuel lines,home maintenance etc. ●Products include 50 PCS 3/4 inch Pex clamps,fit for 3/4 inch PEX pipe,put PEX clamp ring on the pipe, connect the pipe to the pipe fitting, and tighten the compression ring with PEX tool to ensure firm connection