Master Lock® offers this bent pin receiver lock that features a Swivel Head™ design for easy access when locking and unlocking. The stainless steel locking head with a covered keyway offers ultimate corrosion resistance and protection from moisture, dirt, and grime. The Swivel Head™ design also has hardened receiver pins for increased sheer strength and its precision 4-pin tumbler locking mechanism resists picking. Lock fits 1/2" and 5/8" receiver holes.