Estes Model Rocket Fin Alignment Guide

The Estes Model Rocket Fin Alignment Guide takes the guesswork out of fin placement, ensuring perfectly straight, evenly spaced fins on every build. Simply slide the guide over the body tube, position your fins, and glue with confidence — no more crooked fins affecting flight stability.

• Compatible with: Body tubes ranging from BT-20 to BT-80
• Works with: 3-fin and 4-fin rocket configurations
• Use: Fast and accurate fin alignment during rocket construction
• Material: Durable plastic

An essential building tool for rocketeers of all skill levels. Properly aligned fins are critical for stable, straight flights — this guide makes it easy every time.