BT-50 White Body Tube. 18" long. ID: 0.95", OD: 0.976" This tube is the exact same size as Estes BT-50 tube

BT-50 Thick wall Engine Mount Tube (white). 12" long O.D.: 1.0. I.D.: 0.95, Wall: 0.025" The diameter of this tube is the same as the tube used in...

BT-50 Thick-Wall Body Tube. 17" long. ID: 0.95", OD: 1". Weight 20g

BT-50 Thick-Wall Tube (white). 13.288" / 337mm long O.D.: 1.02. I.D.: 0.95", Weight: 21g