Fits BT-40 tube

Semroc Balsa Nose Cone BT-40 2.4" Conical SEM-BNC-40SP

Semroc Balsa Nose Cone BT-40 2.4" Conical Precision Turned Balsa Wood Made in the USA  

Semroc Balsa Nose Cone BT-40 4.5" Ogive SEM-BNC-40G

Semroc Balsa Nose Cone BT-40 4.5" Ogive SEM-BNC-40G  Precision Turned Balsa Wood Same as Centur…

Semroc Balsa Nose Cone BT-40 1.88" Conical SEM-BNC-40F

Semroc Balsa Nose Cone BT-40 1.88" Conical   SEM-BNC-40F   Precision Turned Bals…

Semroc Balsa Nose Cone BT-40 1.5" Ogive SEM-BNC-40D

Semroc Balsa Nose Cone BT-40 1.5" Ogive SEM-BNC-40D  Precision Turned Balsa Wood Also known as …