Master Lock® Stainless Steel barbell style receiver lock features a Swivel
Head™ design f or easy access when locking and unlocking. This lock also
has an extended length shackle (3-1/8" wide) that fits wider receivers for
late model trucks including Ford® F-350®, Toyota® Tundra®, GM® Silverado®,
Sierra®, and trucks equipped with HD towing packages. The barbell
receiver lock has hardened receiver pins for increased sheer strength and
a precision 4-pin tumbler locking mechanism resists picking. The stainless
steel locking head with a covered keyway offers ultimate corrosion
resistance and protection from moisture, dirt, and grime. Fits 5/8" receiver
holes.