For Harley Davidson Dyna 2006 -Present/now. The socket is 2 1/4", for the 2 1/4" Nut. This tool is a Main Shaft Sprocket Wrench Tool. For Harley Twin Cams/ Big Twin 2007 - Present/now. HVAC Heater Blower Motor w/ Fan Cage for Peugeot 308 1.6 16V 2007-2014 6441CZ.