5th Wheel Kingpin Coupler Lock with Trimax Puck Lock - Heavy Duty Trailer Hitch Security for RV, Semi Trucks & Travel Trailers - Prevent Theft & Unauthorized Towing

TOTALLY NEW - NO NONSENSE APPROACH TO TRAILER SECURITY!!! This lock fits a 5th Wheel/Kingpin coupler for a trailer (it can also fit on a bulldog sliding collar bumper pull trailer) 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. 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 5th Wheel/Kingpin 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 cutter and crowbar proof!

Trimax Puck Lock This high-security, hidden-shackle padlock features a 2-7/8" wide lock body that conceals a 3/8" diameter shackle to prevent theft.

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 5th Wheel/Kingpin coupler pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.