Constructed of aluminum and glass fillednylon for individual or commercial use.This fletcher will do 3 fletch 120°, 4 fletch75°x105°, 60°x120°, 90°x90°, 5 fletch; 6fletch 60° and any other combination. Willalso fletch cock fletch up, down, out or anyother angle desired. The indexable uppershaft support is designed to hold each sizeshaft from 14/64 (.218) to 25/64 (.391)perfectly centered through the use of exactsized and numbered slots. The shaftscannot move while applying the fletching.Added features include hardened indexingcontact points for non-wearing accuracy,no ball bearing or disks to fool with and3 x 5 data index cards are available torecord information for quick setup at alater date.