... Product specifications:1.Load capacity: 35KG per caster 2.Wheel diameter:50mm3.Caster material: Nylon,pressed steel,zinc plated4.Chrome, zinc or ... Plastic or nylon is ravailable 7.Applications: industrial ,supermarket, display racks, general usage in market, etc. 8.Caster with or ... ,000,000. Our wheel diameter is from 15mm to 300mm, materials include rubber, TPR, PU, plastic, nylon, cast iron, pneumatic ...