Kraft cardboard or phenolic couplers for joining body tubes with internal diameter up to 50 mm
Pack of cardboard couplers to join Estes BT5, BT20 and BT50 body tubes.
Coupler for Klima T-50 body tubes
Pack of cardboard couplers to join Estes BT55 and BT60 body tubes.
Coupler for T-26 body tubes
Coupler for T-35 body tubes