retaining ringsDIN984 Material: Steel, Stainless Steel Size: 16mm-170mm Surface: Black, Phosphated, Zinc Plated retaining ringsDIN984Material: Steel, Stainless Steel Size: 16mm-170mm Surface: Black, Phosphated, Zinc Platedretaining ringsDIN984Material: Steel, Stainless SteelSize: 16mm-170mmSurface: Black, Phosphated, Zinc Plated retaining ringsDIN984