$53.99 PEX Crimp Rings - PEX Copper Rings - PEX Copper Crimp Rings - SupplyHouse.com
Apollo 5-Pack 1-in dia Copper PEX Crimp Ring Crimp Fittings at Lowes.com
SharkBite 1-in dia Stainless Steel Pinch Clamp Ring (10-Pack) in the PEX Pipe & Crimp Fittings 
