Master Lock 379DAT Universal Trailer Hitch Coupler Lock For 1-7/8", 2" & 2-5/16"

Master Lock part number 379DAT.
Universal Trailer Coupler Lock. Fitts most 1-7/8", 2" & 2-5/16" Couplers

Application Guide:

Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers
Advance locking mechanism resists picking and prying
Easy to install and remove
Resists rust and corrosion

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