SafeTboy 690400 Trailer Coupler Lock

The SafeTboy 690400 is a heavy-duty trailer coupler lock designed to prevent unauthorized hitching and theft of your trailer. Constructed from hardened steel, this coupler lock fits over the coupler head to block attachment to a tow vehicle ball, providing a simple yet effective layer of security whether your trailer is parked at home, a job site, or a campground.

Key Features:

• Hardened steel construction resists cutting, sawing, and prying
• Fits standard trailer coupler heads for broad compatibility
• Bright, high-visibility design acts as a visual theft deterrent
• Easy one-handed installation — no tools required
• Includes lock and keys

The SafeTboy 690400 coupler lock is an essential trailer security accessory for boat trailers, utility trailers, campers, and cargo trailers. Its robust design and straightforward operation make it a reliable choice for both everyday and long-term trailer storage security.