Estes 2227 Tube Marking Guide with Fin Attachment Jig – Model Rocket Body Tube Tool for Fin & Launch Lug Alignment and 6-foot three-wire cord

and 6-foot three-wire cord

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Estes 2227 Tube Marking Guide with Fin Attachment Jig – Model Rocket Body Tube Tool for Fin & Launch Lug Alignment and 6-foot three-wire cordMakes marking fin and launch lug placement lines easy and simple Includes tube marking guide, special disks for marking 3 and 4 fin spacing with precision, and a fin gluing jig Ruler is scaled for either metric or Inches measurements Suitable for use with most popular Estes model rocket body tube sizes The Rocket Builders Marking Guide with Fin Attachment Guide makes tube marking easy and simple. It allows you to mark reference lines down and or