Model No. 387KA
King pin lock for semi-trailers, rv and fifth wheel trailer, keyed alike
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.