2 1/2" Heavy Duty Rounded End Leash Swivel Snap Bolt. It's nickel plated, highly polished with a square end. (1 pack). For dog leashes. Attach to cord, rope or with a quick link to a chain for a gate latch or lock.
Overall length: 63.5 mm (2 1/2")
Inside width of Rounded end: 14.25 mm (9/16")