Description
Includes an assortment of twenty six Estes centering rings to fit BT5, BT20, BT50 and BT55 tubes. Perfect for making your own engine mounts!
Specifications:
- Material: Paper
Includes: 8 - 5/20 centering rings, 4 - 5/50 centering rings, 8 - 20/50 centering rings, 2 - 1 inch long 20/50 centering rings and 4 - 50/55 centering rings.