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Master Lock Universal Coupler Lock
What we like about this Universal Coupler LockThe Universal Coupler Lock is designed with a tamper-proof lock that adds increased security to trailer fixtures and guards against tow-away theft. This 3 position lock devise is chrome plated stainless steel resistant to corrosion.Fits these standard couplers: Standard Straight Lip CouplersRolled Lip CouplersSurge Brake CouplersA-Frame CouplersBulldog Style Couplers2 inch UFPA smart investment at a good price!