SWIVEL PLATE CASTER, LOAD HEIGHT 6". WHEEL = 5" X 1-1/2", PLATE MOUNT TRAULSEN NOW SELLS AS A KIT OF (4) WITH BOLTS (TRAULSEN # CK1. TRAULSEN # FOR THE BOLT IS 351-25542-01, WHICH CAN BE SPECIAL ORDERED. TRAULSEN AHT132DUT, G12000, G12001, R & A Series, RE232E-ZCF01, RET132 EUT, RET132EWUT, RET232EUT, RET232NUT, RET232NUT-FHS, RET232NUT-HHS, RH132W-ZCF04, RH232W-ZCF03, UC Series, UL Series Kairak 344-13140-01