... Caster material: Nylon,pressed steel,zinc plated4.Chrome, zinc or nickel plating available 5.Matches with different fittings such as swivel ... high corrosion-resistance.Now it already has become a professional caster company which integrates design, manufacture, assemble, inspection and ... Our wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic, ...