2" X 29mm plywood model rocket centering rings. Baltic birch. Estes PS ll

2"  X 29mm plywood model rocket centering rings. Baltic birch. Fits Estes PS ll 2.5 inch tubes and Heavy 29mm tubes set of 3
If you purchase just this item, you will receive a partial shipping refund. 
Also available in almost any size, shape, etc.
I can make you custom rings or clusters of almost any size. Please message me for any requests.