PARK TOOL - RP - SNAP RING PLIERS Professional quality ring pliers made from forged, heat-treated cro-moly steel with a return spring and vinyl dipped grips. Designed and built with the specific needs of the bike mechanic in mind. The RP-SET features three forged pliers made for internal snap rings and one for external snap rings. RP-1: .9mm straight internal RP-2: 1.3mm bent internal RP-3: 1.3mm bent external RP-4: 1.7mm bent internal RP-5: 1.7mm straight internal RP-SET: All 4 pliers in a set. RP-SET.2: All 5 pliers in a set