... Wheel 1.Material: Nylon 2.Size:Vsrious sizes for you choose 3.Injected mould Specification of Hot-sell ... Western Union, MoneyGram6. Delivery time: Depend on the quantity you need.7. Advantages: Has good tensile strength, wear ... resistance, chemical resistance, surface hardness, etc 8. Application: Suitable for various automotive, electronic, telecommunications, mechanical products, medical ...