Get more out of your Power Banger. This extender set in sturdy aluminum is Vac-U-Lock(TM) compatible and can be customized for three different extended lengths: 4", 8", or 12". Get Longer, Deeper Strokes from Your Power Banger . Two Pieces Create Three Length Options (4", 8", and 12") . Easy Screw-On Assembly . Includes Complete Care and Usage Instructions Color : Metal Total Length 4 in & 8 in (10.16 cm & 20.32 cm) Width/Diameter 90 in (2.29 cm) Material :Aluminum