When you start thinking you are a pretty good, pick up one of these and see how good you really are. Most people only use these once a year at the Spear Tournament on Lake Eucha. But you can’t enter it unless you have one. They are made from 3/8” round spring steel. A smaller version is available made from 1/4” round spring steel. Overall Length: 12” Shaft length: 8” Ferrule opening: 3/4”-7/8” Material thickness: 3/8“