It consists of two parts, head with key and bolt or shaft that enters the hook hole, when the trailer is disengaged is placed in the hook hole preventing it can be hooked.
Simple system where there is little invent, consists of two pieces, one of which is held on the side of the box by screws, the other piece that makes the block of the trapdoor is adjustable.
Anti-theft security locking system for trucks, refrigerated semi-trailers, isotherms or closed boxes, either for urban distribution or double door TIR with double bars.
Robust anti-theft security locking system for trucks, semi-trailers Refrigerators, Isotherms or closed boxes for transport, with double doors and double bars.
Anti-theft security lock made especially for trailers or containers that bar the most approximate. Then there is less distance between the bar and the door.
Similar to all PTR models but with a measure for bars removers with new distances between them 17 minimum 23 maximum. Manufactured in Stainless Steel AISI 304.