Universal trailer coupler lock, designed to fit most 1-7/8", 48 mm, 2", 51 mm & 2-5/16", 59 mm, couplers, advanced locking mechanism provides resistance to picking & prying, guards against trailer tow away theft, easy to install & remove, resists rust & corrosion.

• Fits most 1-7/8 In., 48 mm, 2 In., 51 mm & 2-5/16 In., 59 mm, couplers.
• Advanced locking mechanism provides resistance to picking & prying, guarding against trailer tow away theft.
• Easy to install & remove
• Resists rust & corrosion
• Limited lifetime warranty