HOLYBEAR 50 pcs 1/2 Inch PEX Cinch Clamps, Stainless Steel StepLess for Pex Fitting About this item SHIGH QUALITY: Made of 304 Stainless Steel, has good corrosion resistance, heat resistance, low temperature strength and mechanical properties 360-DEGREE SEAL PROTECTION: Interlocking rings form a complete 360-Degree watertight seal, provide reliable and fast connection of all PEX pipes fittings SIZE: 1/2 inch (17.5mm) PEX cinch clamp rings, Fit for 1/2 Inch PEX Pipes, Compatible with All PEX Brands Manufactured with American Certification UNIVERSAL: These clamps are universal and will connecting with any brand of crimp style PEX fittings or PEX tubing TO INSTALL: Use A PEX clamp tool or PEX cinch tool which works with PEX clamps from 3/8" to 1" in size