ESTES 303163 NC-55 Nose Cones (4) ESTT3163 Estes accessory package includes a nose cone is the leading section of the rocket, with the job of reducing aerodynamic drag. All are 1-piece cones. Colors may vary between black and white. Fits BT-55 body tubes. All nose cones have eyelets for shock cord and shroud line attachments (not included).