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Whether pulling a trailer load of 4-wheelers, 4-hoofers, or driving a full-on semi tractor/trailer rig, the Spence Trailer Safety Lock offers peace of mind by deterring theft.  Additionally, the Spence Trailer Safety Lock provides added safety and security for trailers parked on an incline or  needing repair.

Patent #7284641B1

STSL-1 / Original RV, Utility
The STSL-1 is fully adjustable, highly visible, anodized T-6 356 cast unit that weighs less than 15 pounds, and is ideal for use with two and three axle trailers, recreational vehicles, or utility trailers.
Price: $429 (Plus S&H)

STSL-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STSL-2 / Big Truck
This tractor device is an anodized, T-6 356 cast unit weighing less than 25 pounds, has limited adjustment, is highly visible and is ideally suited for three-axle tractors in a variety of environments.
Price: $699 (Plus S&H)

Big Truck

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IMGP0063

 

 

 

 

 

 

 

 

 
 

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