Estes accessory package includes a nose cone is the leading section of the rocket, with the job of reducing aerodynamic drag. All are 2-piece cones. Two different lengths. Two tapered tips, two rounded tips. Molded white plastic (2 rounded, 2 tapered); molded blue plastic (1 tapered). Fits BT-20 body tubes. All nose cones have eyelets for shock cord and shroud line attachments (not included).