2 7/8" 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: 73 mm (2 7/8")
Inside width of Rounded end: 14.25 mm (9/16")