Ultimate Tube Marking Guide™

Fin alignment is one of the most critical parts of model rocket building, and the Ultimate Tube Marking Guide™ guarantees accuracy. With this tool, you’ll never have to worry about off-center fins or crooked launch lugs again. Consistency in your build translates to straighter, higher, and more reliable flights.

Durable and Easy to Use

Crafted from precision-molded plastic, this 18 in. long guide is built to last through countless builds. Its sturdy design ensures that body tubes of all sizes fit snugly for hassle-free marking. Even large diameter tubes are supported with ease, giving you versatility for any rocket project.

Works with All Estes Body Tubes

No matter what size rocket you’re building, this guide is ready to go. From mini rockets to larger builds, the Ultimate Tube Marking Guide™ makes sure every line is exactly where it needs to be. It’s the one tool you’ll use again and again in your workshop.

Perfect for Every Rocketeer

Whether you’re just starting out or have been launching rockets for years, this tool will quickly become an essential part of your toolkit. Builders who want professional-grade results will appreciate the time-saving design and flawless precision it provides. With the Ultimate Tube Marking Guide™, you’ll be set up for success before your rocket even leaves the launch pad.