Tube Marking Guide:
The Estes Tube Marking guide is a must for the serious Model Rocket Building. Making sure that you your launch lug and fin placement lines are correct is critical for successful Model Rocket flight. Using the Tube Marking Guide takes all of the guess work out of this important process.
Take your Model Rocket Body Tube, place it in the Tube Marking Guide. Mark the fin and launch lug placement lines. Use the handy fin gluing jig to ensure that your Model Rocket fins are glued correctly. Assemble all remaining Model Rocket parts and your Model Rocket is ready for the Launch Pad.