Precision SecurityBuilt for Knott Hitch and drawbar eye hitch
Marine Trailers
Saltwater is no match for the KANTROB Lock. Made from marine-grade stainless steel, it won’t rust, corrode, or seize — even after repeated exposure to salt spray and coastal conditions. Whether you're trailering a jet ski, RIB, or fishing boat, this lock delivers lasting, reliable protection at the marina or on the move.
Horse Boxes
When it comes to transporting horses, security is personal. The KANTROB Lock ensures your horsebox stays exactly where you left it. Quick to fit and tough to beat, it gives peace of mind at events, shows, or during overnight stops — protecting your animals and your investment.
Caravans
Your caravan is your home away from home — don’t let it be an easy target. With visible deterrence, police-endorsed protection, and hitch-on or off locking, the KANTROB Lock is the ideal travel companion for peace of mind at campsites, lay-bys, or long-term storage.
Everyday Trailers
Whether you use your trailer for DIY, business, or weekend adventures, theft is a real risk. The KANTROB Lock installs in seconds, stays on while towing, and keeps opportunistic thieves at bay. It’s the easy, reliable solution to protect your gear and keep you moving.
Construction
Two-piece cast marine-grade stainless steel for lifetime durability and strength

Locking Mechanism
Patented oval-cylinder bullet lock; resistant to picking, drilling, and bumping

Tamper Resistance
Fully enclosed locking pin; no exposed shackle

Mounting Method
Locks through the Knott drawbar eye with internal counter pin

Compatibility
Precision-engineered for Knott-style drawbar hitches only

Installation
10-second drop-in mechanism; no tools required

Usage
Locks when hitched or unhitched; ideal for trailers, plant hire, and commercial transport

Certifications
Pending Sold Secure & Secured by Design (UK Police) approval

Includes Dummy Tow Ball Insert to block unauthorized hitch access
01
Pre-lock: Turn key ¼ turn anti-clockwise to release lock barrel.
02
Fit: Place lower part under the hitch handle. Place upper part over.
03
Lock: Slide barrel in and turn key clockwise. Remove key.
04
Unhitched use: Insert Dummy Ball, then follow steps above.
Drawbar eye Hitch

Ease of use
10-second drop-in mechanism; no tools required

Cast Stainless
Two-piece cast marine-grade stainless steel for lifetime durability and strength

Pick & Drill Resistant
Fully enclosed locking pin; no exposed shackle for security

Used While Unhitched
Locks when unhitched; ideal for agricultural trailers and plant hire