Nylon furniture caster wheels 1.material:nylon,metal 2.capacity:25kgs,30kgs/wheel 3.size:M12*38 Nylon furniture caster wheelszinc plated finish to resist corosion,dent and bruise specification:wheel diameter:40mm,50mmoverall height:56mm,61mmwheel width:41mm,48mmsrew/shaft length:38mmscrew/shaft diameter:10mmcapacity:25kgs,30kgsitem numberwheel diameter(mm)overall height(mm)straight thread length( ...