The BNC20B is a 1.7" ogive balsa nose cone which fits a standard BT-20 tube (inside diameter .71 inches, outside diameter .736 inches). The nose cone's overall length is 2.2 inches. The exposed length is 1.7 inches. The shoulder is .5 inches.
A 1/4 inch hardwood dowel (drilled to accept a screw eye) is included. It glues into the hole in the base of the nose cone to provide a firm attachment point for a screw eye.
This product was added to our catalog on Thursday 15 August, 2013.