Finally a Jig that will evenly space (1) one to (7) seven flutes on boards up to (12) twelve inches wide, automatically. No measuring of any kind is required. This jig is called the "Automatic Flute Spacing Jig". Router table required Made from 1/4" thick anodized aluminum Includes (3) three zinc plated steel bushings Bushings for sizes, 1/4", 3/8", and 1/2" flutes The jig can be used with core, round nose, straight, v-groove, etc. bits No set up time required It's fast, accurate, and easy to use A jig that will last a lifetime Made in USA Reasonably priced Expect professional results If you make flutes in your woodworking, you will love this jig. If you don't, with this jig you will. Most people don't make flutes because they are frustrating and hard to space. This jig will evenly space up to (7) seven flutes quickly and evenly in boards up to (12) twelve inches wide with no measuring.