caster wheel with plate, plastic caster, twin caster, furniture caster, swivel caster size:30mm,40mm,50mm Iem No.: An3204caster wheel, plastic caster, twin caster, furniture caster, swivel caster , nylon casterSize : 30mm Width: 33mm Load capacity: 15kg Steel plate : 30*30mm 40mm Width: 38mm Load capacity: 15kg Steel plate : 36*36mm 50mm Width: 46mm Load capacity: 20kg Steel plate : 38*38mmSteel ...