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Jun 11, 2007 · The Master Lock 379ATPY features a universal trailer coupler lock, designed to fit 1-7/8 in. (48 mm), 2 in. (51 mm) and most 2-5/16 in. (59 mm) couplers. The advanced locking mechanism provides resistance to picking and prying.
Trailer Coupler Locks. Master Lock. Fits 1-7/8 Inch Ball. Fits 2 Inch Ball. Fits 2-5/16 Inch Ball. Surround Lock. Master Lock Trailer Coupler Lock - 1-7/8", 2" and 2-5/16" Ball Couplers. (832 Reviews) Retail: $46.05. Our Price: $43.82. You Save: 5% Quantity: Add to Cart. In Stock. Next. drag to rotate. Product Images. In Use/Installed.
378DAT. 2-5/16in (59mm) Trailer Coupler Lock. List Price: $70.81. Compare. Trailer Coupler Locks from Master Lock.
Features: Locks down your trailer coupler to prevent towaway theft Keeps others from hooking up to your trailer Fits most ball-style couplers Creates a tight, secure fit around ball for 360 degrees. Fits 1-7/8 Inch Ball. Fits 2 Inch Ball. Fits 2-5/16 Inch Ball. Surround Lock. Keyed Unique. Steel.
Dec 29, 2021 · The Coupler Lock secures the trailer to the ball mount when in tow and provides superior protection to the trailer when it is left unattended. It is designed to fit 1-7/8 in., 2 in. and 2-5/16 in. couplers and provides multiple locking positions.
Coupler Locks. Sometimes a safety pin and coupler latch are just not enough to keep your toys safe. While CURT safety pins and coupler latches are made to keep your coupler securely latched onto your trailer ball, they are no substitute for the locking power provided by a CURT coupler lock. Want one lock for all your trailers?
Universal design of the coupler lock fits all couplers; Secures trailers when not being towed; Ratchet design of the HD coupler lock has eleven locking positions; Fits 1-7/8, 2 and 2-5/16 in. trailers; Two theft proof square keys with the coupler lock; Bright silver color of the HD coupler lock helps deter thieves; 1 year limited warranty
