Best Offers The No. 387 from Master Lock

The No. 387 from Master Lock is one of the most popular product in the market. People who have bought The No. 387 from Master Lock are satisfied with this product and highly recommend it to everyone.

• 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, 25 or 6121 lock with all of its security and keying flexibility

Product Description

Master Lock's No. 387 is a king pin lock made of the finest aluminum, offering both a portable, lightweight design and maximum security with its integrated No. 5 padlock. Also included is a noticeable flag to alert drivers that the lock is engaged.

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The No. 387 from Master Lock

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