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