Master Lock 387 King Pin Lock High Security offers robust protection for the king pin of semi-trailers, RVs, and fifth-wheel trailers, effectively preventing theft and deterring break-ins. Engineered with high-grade aluminum, this lock is both lightweight and exceptionally secure, making it an ideal choice for those who prioritize safety during transport. One of the standout features of the Master Lock 387 is its integrated No. 5 padlock, which provides unparalleled security and keying flexibility. The design renders traditional bolt cutters ineffective, ensuring that your trailer remains protected against unauthorized access. Its high visibility red body not only enhances security by alerting potential thieves but also makes it easy for drivers to see that the lock is in place, adding an extra layer of precaution. Best suited for trailers, trucks, and towing applications, the Master Lock 387 is crafted for durability and ease of use. With its combination of high-grade materials and practical design, this king pin lock is an essential addition for anyone looking to safeguard their valuable assets on the road. Choose Master Lock 387 for confidence and peace of mind while you travel.

King Pin Lock High Security

The 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.

Features:

• 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

Best Used For:

• Trailers, trucks, and towing