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With the Loctite 406 O-ring repair kit, you can fabricate custom replacement seals on the spot during urgent maintenance or machine breakdowns. When specific seal sizes are out of stock, you eliminate costly downtime by splicing your own rings without delay. This all-in-one kit provides five diameters of nitrile rubber cord, a splicing jig, a safety knife, and a 20 g bottle of Loctite 406 instant adhesive. Specially formulated for rubbers and plastics, this liquid cyanoacrylate cures in seconds to deliver a durable bond line as strong as the rubber itself. Keep your pumps, valves, and fluid systems running efficiently with reliable on-site repairs.