This easy to assemble Junior Power Stretcher stretches up to 23 1/2' of carpet with the use of the included extension tubes. The 18" spring-loaded tail block with wheels provides additional mobility and support for the tool head. The low profile head is easy to span with the hand operated control lever. The set includes one power unit, tail block with wheels, three 3' extension tubes and a QuikLok tube. All pieces are contained in a polyethylene carrying case with heavy-duty latches.