Estes 2231 Fin Alignment Guide Model Kit , Color Varies

A precision molded accessory that makes it easy to glue three or four fins to various sized body tubes ranging from BT-20 to BT-80 diameters. Unique and adjustable vertical fin holders can accommodate either 3/32 in. or 1/8 in. balsa, bass or plywood fins. This is a must-have tool for any serious model rocket builder. Never attach your fins wrong again and remove that painful process of holding them in place while the adhesive dries.

• FIN GUIDE FOR MODEL ROCKET: The Fin Alignment Guide is the essential tool for model rocket builders who want speed and precision. It fits a wide range of body tubes from BT-20 to BT-80.
• EASIER ALIGNMENT: Our Fin Alignment Guide is capable of holding either three or four fins, the Fin Alignment Guide works with 3/32 in. or 1/8 in. balsa, basswood, or plywood fins
• CONVENIENT BUILDING ACCESSORY: Whether you’re building a beginner model rocket or a master-level replica, this fin-alignment tool has a place in your rocket-building kit. It’s the ideal tool to help serious rocket builders get their models crafted right the first time with as much precision as possible.
• SAFETY FIRST, FUN ALWAYS: Our rockets and rocket launch accessories are designed to be used with the NAR (National Association of Rocketry) model-rocket safety code. Always ensure you have an appropriate launch site, stand back at least 15 ft., insert the safety key, issue a countdown, and then you can let your rocket fly!
• WE IGNITE IMAGINATIONS: Since 1958, Estes has created educational rocket kits and displays designed for an unforgettable aerospace experience. As a family-owned company, we have grown to offer exciting STEM products that engage aspiring rocketeers and the future minds of aerospace.