... ;PU;PVC 3,double ball raceways 4,Variety of fastenings Light caster1,Load capacity :135kg2,Material:Soft/Hard Rubber ;Nylon; ... raceways4.full/unilateral brake5.Variety of fastenings6.Zinc plated7.Applications:Light-duty material handling equipment, food service carts & equipment, bakery ... wire racking, stock carts, textile applications, warehouse & manufacturing applications, etc Light caster wheel