Twin Wheel Caster 1.MOQ:5000 pcs. 2.Material:Plastic and metal. 3. ... :30mm,40mm,50mm,60mm,etc. Gerbon's Funiture Twin Wheel Caster Product details:Material: NylonPA wheel+PU edge+MetalWheel Diameter:30mm ... : hydraulic hinge, standard hinge, soft close slide, standard slide, handle, caster, lock and other furniture fittings. If you're interested in ...