SharkBite UP527A 3/8-Inch Plastic Barb Female Swivel Adapter Retail Packaging, Pack of 6 Advanced Polymer solution for when corrosion may affect DZR brass products. Can be used with either SharkBite Clamp Rings or SharkBite Crimp Rings Can be used with either SharkBite Clamp Rings or SharkBite Crimp Rings Cost-effective