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