Estes Rockets Ultimate Tube Marking Guide

Estes Rockets Ultimate Tube Marking Guide is a tool that should be in every modelers tool box Measures 18" in length  Guarantees accurate and consistent fin placement  Works with all sized body tubes  Tired of your lines never being straight? Get it straight, every time, with the Estes Rockets Ultimate Tube Marking Guide. This heavy-duty, 18" long plastic marking tool ensures accurate and consistent fin placements of launch lug lines. Boyce Aerospace Hobbies recommends hobbyists under the age of 13 be supervised by an adult at all times.