Hollow king pin twin wheels caster

Hollow king pin twin wheels caster,dual wheels trolley caster
Material:PP core with TPR wheel
Wheel Size:50mm x 20mm ; 75mm x 25mm
Load:90kg-150kg
Bearing: Ball Bearing
Model available:Swivel plate,Thread stem,Bolt hole,Can match brake
Purpose:Furniture caster wheels,twin wheels trolley caster wheels,Cabinet caster wheels
Cart caster wheels,and other machine or equipment caster wheels