The Master Lock No. 1469DAT features a 5/8in (16mm) stainless steel Barbell™ extended length receiver lock designed to fit Toyota Tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy duty tow packages. The receiver lock includes the Push to Lock™ locking mechanism, easily used by pushing the lock body firmly onto the pin and removing the key. The Weather Tough® seal and water tight cap provides additional protection from moisture and dirt. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.