SUPERIOR CASTER CORP 10" DIAMETER RIGID CASTER, HEAVY DUTY 1300LB CAPACITY, SUPREME RUBBER WHEEL. 58-HEAVY DUTY FORGED SERIES 1,300 LB CAPACITY RH-SUPREME RUBBER WHEEL 10-10" WHEEL DIAMETER L-3" WHEEL WIDTH S-SILVER STEEL 70 -1/2 TAPERED BEARINGS 19-