" MAS " 378-DAT MASTER LOCK PRODUCTS

#378 2-5/16" TRAILER COUPLER LOCK

The Master Lock No. 378DAT features a 2-5/16" (59mm) trailer coupler lock, designed to resist rust and corrosion. The advanced locking mechanism provides resistance to picking and prying.

• Fits 2-5/16" (59mm) trailer couplers
• Advance locking mechanism resists picking and prying
• Easy to install and remove
• Resists rust and corrosion