I've been fletching my own arrows for years. Its neat to add whatever wraps you like and your own vane preference. I found that a 4in feather shoots very well out of my bow. For my hunting arrows, I put as much offset that I can on the jig to get that arrow spinning. Too much offset and the vane won't sit and glue right to the shaft. Also, I found that when you insert the vane into the clamp, leave about a quarter inch space between the clamp and the trough of the arrow (where you lay the glue). This gets the vane seated better when you attach to the shaft.