... .Material:SBR Natural rubber2.Size: 1/4", 5/16", 3/8",1/2",5/8",3/4",1"3.Color: Red, blue, black, ... layer ( second reinforcing layer for1/2",5/8",3/4",1")8.outside bond layer; outside surface is ... 18 0.0325/1681512060 100 22 0.0353/8101712060 100 24 0.0431/212.52122060 100 43 0. ... 0855/8162522060 100 48 0.1503/4192822060 100 58 0.1701253522060 50 42 0.1 ...