Expand your rocket building possibilities with this handy pack of Estes BT5–BT50 Tube Couplers. Each pack includes six couplers in three popular sizes—BT5, BT20, and BT50—giving you the flexibility to extend or repair your rockets with ease. Whether you’re designing from scratch or upgrading an existing model, these couplers provide secure, reliable connections.

With a snug fit and durable construction, Estes tube couplers are perfect for joining two body tubes of the same size together. This set ensures you always have the right size on hand for your next project, making it a must-have accessory for both new builders and seasoned rocketeers.

• Variety Pack: Includes 6 couplers across 3 popular sizes (BT5, BT20, BT50)
• Durable Construction: Built to hold body tubes together securely for reliable flights
• Versatile Use: Perfect for extending rockets, making repairs, or custom designs
• Snug Fit: Designed to fit Estes body tubes precisely without wobble
• Essential Accessory: A must-have for hobbyists building and modifying rockets