... 35KG per caster 2.Wheel diameter:50mm3.Caster material: Nylon,pressed steel,zinc plated4.Chrome, zinc or nickel plating available ... ,double brake plate 6.Plastic or nylon is ravailable 7.Applications: industrial ,supermarket, display racks, general usage in market, etc. 8 ... 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic, phenolic and sandwich, etc. Our housings ...