Model No. 387 King Pin Lock for Semi-Trailers, RV and Fifth Wheel Trailer
The Master Lock No. 387 High Security King Pin Lock secures the king pin of semi-trailers, RVs and other fifth wheel trailers to prevent theft and deter break-in’s. Including an integrated padlock (No. 5), this locking device renders bolt cutters useless and the high-grade aluminum is lightweight while providing high security.
- Secures the king pin of semi-trailers, RVs and other fifth wheel trailers
- Renders bolt cutters useless
- High grade aluminum is lightweight while providing high security
- High visibility red body and durable flag alert drivers that lock is attached
- Includes an integrated No 5. lock with all of its security and keying flexibility