Master Lock 387 King Pin Lock for Semi-Trailers, RV and Fifth Wheel Trailer lc-tmlc-importer-2026 Keying Master Keyed Shackle Diameter

Keying Master Keyed Shackle Diameter (in) 15/32 Shackle Clearance (in) 5/8 Body Width (in) 3-35/64 Material Steel ABUS Security Level 8 Item Weight (lb) 1

(1) S806 Cable Lockout Device

(1) S1017 Durable Lockout Toolbox containing:

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Master Lock 387 King Pin Lock for Semi-Trailers, RV and Fifth Wheel Trailer lc-tmlc-importer-2026 Keying Master Keyed Shackle DiameterThe Master Lock No. 387 High Security King Pin Lock secures the king pin of semi trailers, RVs and other fifth wheel trailers to prevent theft and deter break ins. Including an integrated padlock (No. 5), this locking device renders bolt cutters useless and the high grade aluminum is lightweight while providing high security. Secures the king pin of semi trailers, RVs and other fifth wheel trailers Renders bolt cutters useless High grade aluminum is