Master Lock 387 King Pin Lock for Semi-Trailers, RV and Fifth Wheel Trailer, Keyed Alike
The Master Lock No. 387KA features a high grade aluminum king pin lock offering lightweight but high security for semi-trailer, RV, and fifth wheel trailer king pins. The visible red body and durable flag alert drivers that the lock is attached. Each king pin lock includes an integrated No 5 lock providing additional security and keying flexibility. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
- Secures the king pin of semi-trailers, RVs and other fifth wheel trailers
- Keyed Alike - order multiple locks to open with the same key or order to match other locks with the W1 cylinder
- 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