"World's Greatest Dad" key chain. Siskiyou's unique key chains are fully cast metal and are unequaled with the best craftsmanship. Key chain is 1-1/4" x 1-3/4". Since these key rings are fully metal they stand up the rigorous day to day use and will keep looking great for years to come.Fully cast metal key chain with exceptional detail. Standard split ring for organizing home and auto keys. Durable, solid metal design allows the key chain to last through years of wear and tear. .