Estes 2227 Tube Marking Guide with Fin Attachment Jig – Model Rocket Body Tube Tool for Fin & Launch Lug Alignment

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Makes 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 Rul er is scaled for either metric or Inches measurements Suitable for use with most popular Estes model rocket body tube sizes The Rocket Builder’s Marking Guide with Fin Attachment Guide makes tube marking easy and simple. It allows you to mark reference lines down and/or around popular Estes model rocket body tubes. The ruler is scaled for either metric or " measurements. A pencil holder to mark tube circumferences and a fin gluing jig are molded to the ruler for accurate marking and alignment. Special disks are also included for marking 3 and 4 fin spacing with precision. The Rocket Builder’s Marking Guide is the perfect tool for any serious rocket builder saving time and money when building any model rocket. Show more