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The BT3 coupler lock is designed primarily for the Forged Iron Collar-Lock style couplers sold under Bulldog and Fulton brands.  Fits both 2" and 2 5/16" size ball couplers.  Lifetime Guarantee on defects in material and/or workmanship.


All locks can be keyed alike.  If you buy multiple locks and want them keyed alike please add a note to your order.  I will contact you for details.

BT3 Coupler Lock

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