light duty grey rubber stem caster 1.size:50-75mm 2.load capacity:20-30kg 3.material:rubber 4.color:grey;brand:YH light ... is very wide, include kinds of Rubber caster, plastic caster, wood caster,pu caster,cast iron cater, nylon caster, ball caster, pneumatic caster ,rubber wheel ,plastic wheel ,pu wheel ,metal ...