Park tool snap ring pliers set of 5 rpset2designed and built with the specific needs of the bike mechanic in mind the rp set2 includes five professional quality pliers for internal snap rings and one for external snap rings pliers are made from forged heat treated cro moly steel with a return spring and vinyl dipped grips features rp 1 9mm straight internal opens from 22mm down to 0 tips touching rp 2 13mm bent internal opens from 22mm down to 2mm centre to centre rp 3 13mm ben