... 4", 5", 6",8" Industrial series rubber swivel caster HB403 material: Swivel type industrial series RUBBER Caster With steel fork, ... : 2mm, 5mm, 6mmDiameter:75-200mm Swivel type Industrial series rubber swivel caster Specification : Capacity: 45-180kgsSwivel type rubberCaster ... - five Size available (3",4",5",6",8") ...