The Master Lock #1469DAT features a 5/8 in (16 mm) 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.