Size: M6, M8, M10, M12, M14, M16, M18, M20, M22, M24. Ideal for oil drain plugs and any other threaded connections in sizes M6 - M24. 10pcs x M24 Bonded Seal Rings. 20pcs x M6 Bonded Seal Rings. The trapezoidal rubber ring has a galvanized steel ring.
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