The process produces rings that have no protruding ears or burrs to interfere with performance. Standard versions are carbon steel in 1/2 to 11-in. diameters. Special designs in diameters from 0.200 ...

There are certain tools that are considered nice-to-have items right up until they are necessary. Then you're screwed. Retaining ring pliers, or snap ring pliers, are one of them. I've gotten away ...