Oetiker 16703336 3/4 Inch Standard PEX Clamp (Pack of 50) Stepless ear clamps for use with PEX tubing and ASTM F1807 or F2159 insert fittings (not included) 9.0 mm band width and 0.8 mm band thickness for lightweight strength 360-degree profile clamp for concentrated seal compression Stainless steel for corrosion resistance Conforms to ASTM F2098 standard for securing PEX tubing to insert fittings