Approximate 5/16" wearable
Grooved for o-ring
Date posted: 2/28/2013
I got these for my husband and their really kool. He doesn't even have to take the O rings off to put them in or out.
Date posted: 12/5/2012
Bought these for my girlfriend, and she is pretty happy with them. Pretty cool graphic on them with nice colors.
Date posted: 10/10/2012
Great product. Fits great and looks great!