Bulldog Sliding Collar Coupler Lock - Heavy Duty Dog Leash Connector for Training & Walking - Secure Dual Clip Design for Large Breed Dogs - Perfect for Outdoor Adventures and Daily Walks

TOTALLY NEW - NO NONSENSE APPROACH TO TRAILER SECURITY!!! This lock fits one of the most common utility/work trailers in use - the Bulldog sliding collar 2" & 2 5/16" coupler. It also fits the king pin of a 5th wheel coupler Made with 3/16" fully welded steel with welded hinges and hinge pins. Heavy yellow powdercoat finish which screams "stay away" Made in America. Limited Lifetime Warranty against manufacturing defects. This prevents a thief from easily cutting other types of locks and driving off with your trailer. Unlike almost all other locks for this application, this one is BOLT CUTTER PROOF and can only be defeated with power tools or a cutting torch. The MasterLock style surround hasp for "puck" type locks has a proven track record nation wide on construction storage containers for decades. Don't trust your trailer and equipment to just any lock. Think Ft Knox Locks. Watch our lock defeating videos, it's actually silly how easy most locks are to defeat - not so with Ft. Knox Locks. Note: Many people have a Bulldog "type" coupler which has the word "RAM" in the casting on top of the ball. This enclosure will not fit the Ram brand coupler but we have a different model which is the same cost and fits this brand. Search for "Ram coupler lock". Lifetime warranty against manufacturing defects. Powdercoat is not warrantied. 10% restocking fee and no refund of original shipping and return shipping is on purchaser for products which are return for any reason other than defective or broken.

ULTRA-HIGH SECURITY COUPLER/HITCH TRAILER LOCK This strong and straightforward trailer coupler/hitch lock is designed to secure the Bulldog sliding collar coupler.

HEAVY DUTY/ULTRA-HIGH SECURITY This no-nonsense coupler lock is constructed of 3/16" fully welded cold rolled steel, with welded hinges and hinge pins and is bolt cutterand crowbar proof!

HASP The surround hasp application accepts most "puck" style locks and provides additional safety and security. (PUCK LOCK NOT INCLUDED)

BRIGHT YELLOW POWDER COAT FINISH We believe in presenting a hard target that is why we use a bright yellow powder coat to warn off would be thieves.

FT. KNOX LOCKS We are a family run and operated small business with our locks designed and proudly made in the USA.

DOUBLE CHECK YOUR COUPLER/HITCH This lock only fits the coupler/hitchs Bulldog sliding collar pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.