30mm o-ring, welded made of steel, nickel-plated - 1 piece 30mm o-ring, welded made of steel, nickel-plated - 1 piece Product detailsManufacturer Product details o-ring welded made of steel, nickel-plated Inner diameter: 30mm Thickness of ring: 4mm Measurements: A = 30mm, B = 38mm, C = 4mm The price is valid for 1 ring. Manufacturer