Strap Keeper available in 18 MM & 20 MM, Nickel over solid brass
size: 18 MM = .708661" fits 5/8 inch standard BioThane
size: 20 MM = .787402" fits 3/4 inch standard BioThane
finish: silver, nickel
metal: solid brass, nickel
uses: biothane straps, dog collars, leather straps, purses, watch bands, handbags, leather crafts, any project that needs an oval ring
