This padlock had a high bid of $109.50 (Plus $4.95 Shipping).
You are looking at a Leg Iron that has been Used. This Leg Iron looks as if it has been around for a long time. The item is 33" long and the chain is 26" long, the ring is 3 1/8" round, the shackle has a 2 3/4" opening, and the chain is 5 /16" thick. This appears to have a chain that would go through the iron ring and the leg iron on the ankle as seen in the old chain gangs. It weighs 3 3/4 lbs. It is a very interesting item to have.... - eBay (18 June 2010)