Pack of cardboard couplers to join Estes BT5, BT20 and BT50 body tubes.
Package with laser cut centering rings and printed conical adapter for Estes BT5 to BT60 body tubes.
A simple accessory to mount 24 mm motors in rocket with a 29 mm motor mount. Very easy to assemble and to use, can be used endless times.
26 cardboard centering rings for your personal designs!
Tube parts you need to build engine mounts based on Estes BT5, BT20 and BT50 tubes