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Master Lock 379DAT Universal Trailer Coupler Lock

Our Price
List Price
You Save
$4.50 (11%)
$35.99 $40.49

Rapid Ship

Leaves our warehouse in 1 to 3 business days
  • Buy 2 for $32.50 each and save 20%
  • Buy 8 for $32.14 each and save 21%

Key Features

  • Easy to install and remove
  • Resists rust and corrosion
  • Keyed different

The master lock no. 379dat features a universal trailer coupler lock, designed to fit 1-7/8 in, 2 in and most 2-5/16 in couplers. the advanced locking mechanism provides resistance to picking and prying. the limited lifetime warranty provides peace of mind from a brand you can trust.

Technical Details

Product Class
Coupler Locks

Additional Information

Part Number
Shipping Weight
5.06 pounds
Domestic Shipping
Item can be shipped anywhere in the US including APO/FPO addresses and territories.
International Shipping
Item can be shipped anywhere in Canada including the territories.

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