In this package you have 6 cardboard couplers useful to join together mid-size Estes tubes of the same diameter. These couplers are made for Estes BT55 (dia. 34 mm) and BT60 (dia. 41 mm).
You can build parts of your personal projects cleanly and precisely.

The package contains:

• 2 pcs. for BT55 tubes - Length 32 mm
• 2 pcs. for BT60 tubes - Length 38 mm
• 2 pcs. for BT60 tubes - Length 75 mm