C.E. Smith Ribbed Roller Replacement Kit - 4 Pack - Gold - 29310C. E. Smith Ribbed Roller Replacement Kit 4 Pack Gold 29310 Ribbed Roller 4 Pack Gold Replace your ribbed wobble rollers with this thermal plasticized rubber ribbed roller kit Rollers fit 1 1 8" shaft Kit includes four 5" x 3" ribbed rollers with polypropylene hub, four Delrin bushings for 3 4" shaft, for 1 1 8" washers, four 3 4" washers and four retainer rings