1.Name:Seal ring 2.Material:PU 3.Various Size/Color 4.Wear-resisting, high elasticity, oil resistant, long service time. 1.Specifications Product NameBlue Ring MaterialPU Size42-52-4mm ProfileOne side is round, the other side is flat. FunctionWear-resisting, high elasticity, oil resistant, long service time. PriceAccording to the quantity and detailed request. CertificationISO9001:2000 PackingBy ...