Everdon Rocketry Centering ring W/ SHOCK CORD HOLES for Estes 3.00" Tube x 0.125 for 29mmt ( Loc Tube )

Everdon Rocketry Centering ring W/ SHOCK CORD HOLES for Estes 3.00" Tube x 0.125 for 29mmt ( Loc Tube )

sold as a single,