SharkBite Ends Caps. I have some brand NEW / genuine SharkBite 1/2" end caps / end stops. If you are a plumber / handyman / DIY plumber you know how nice it is to have a couple of these in your tool-bag - for EMERGENCIES or PERMANENT capping of 1/2" copper lines. These GENUINE SharkBite caps normally sell for about $9 EACH. I have several brand new genuine 1/2" ones, still in sealed packages, that I am selling for $4 EACH. I have only used these on copper - but I believe they can also be used on CPVC tubing.