Trailer Coupler Lock: 387

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Overview: Model 387

The Master Lock No. 387 and 387KA 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.

Warranty & Certifications/Compliance: Model 387	Videos: Model 387
Limited Lifetime Warranty: MASTER LOCK PRODUCT WARRANTY	Video Library I lost the keys for my Master Lock padlock. Can I get replacement padlock keys?

Product Details: Model 387

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
Product Number: 387-Keyed Different, 387KA-Keyed Alike
Description: Commercial Boxed Packaging
Master Carton Qty: 1
Color: Red

Overview: Model 387

Warranty & Certifications/Compliance: Model 387

Videos: Model 387

Product Details: Model 387

Technical Literature: Model 387