Black Aluminum Turbonator Turbo Air Intake Propeller Fuel Saver Fan + 3 Rubber Holder Package includes: 1 x Black Turbo Air Intake Saver Fan ( Double Propeller ); 3 x Non-Slip Rubber Holder Maximum Movement Speed: 55,000 R / Minute Light Weight High Quality Aluminum And Rubber Custom great new impressive appearance High quality, great replacement for your old ones