Use this triple square bit with any impact wrench to install or tighten utility pole hardware. Includes 7/16″ hex quick change adapter. 13/16″ hollow shaft is 6″ long. 3 square socket openings: 13/16″ for 1/2″ hardware, 1″ for 5/8″ hardware, 1 1/8″ for 3/4″ hardware. Overall length: 7 3/4″.9900:…