we procude the aluminum rings with size 3", 2.5"and 2", the thickness is 1/4"we have total 15 colors for the rings.3" USD1.6/pair2.5" USD1.5/pair2" USD1.4/pair(Without shipping cost, it depends on the qty)If you need, call me directly 86-13301653235yahoo id:jwang8876Email: jwang8876/yahoo/com/cnJames Wang
