Sets trailer brakes in case of accidental trailer breakaway.  Trailer brakes are applied automatically.  

2005

• Reinforced nylon case.
• Nylon pull tab. 
• Rust & Corrosion-free assures long life.
• For use with one to three axle trailers.

2009

• All metal parts for long life.
• Silver contact points remain corrosion-free for positive contact. 
• Brass pull pin for trouble-free, long life.

2010

• Reinforced nylon case. 
• Weldable metal tab and coated 48" lanyard. 
• Rust and corrosion-free assures long life. 
• Silver contact points remain corrosion-free for positive contact. 
• Nylon pull pin can't freeze up — assures positive actuation.