The 'Reel Crankie'The tool body is made from aircraft quality 6061 billet (block) aluminum. Internal hardware is made of a durable corrosion resistant 303 stainless steel for salt and fresh water use. Designed to be attached directly to the existing reel handle mechanism. You simply slide it on and rotate the gold knurled ring to lock onto reel. Quick on and off. The 15 degree flexible shaft, with universal type joint, extending from the Reel Crankie is then attached