The Titan Professional Tools 1/2" Dr. 10" Auto Flex Extension, No. 62110, features an auto-flex, spring-loaded design which prevents joint from falling to one side. Additionally, the auto flex design allows for one hand operation. The tool is constructed of chrome-vanadium steel, has an overall length of 10", and weighs 0.75 lbs. The Auto Flex Extension is also available in 1/4" Dr. 6" (No. 66109) and 3/8" Dr. 8" (No. 68108).