Working in tandem with Dan McCarthy, a multiple-time IBO and ASA World Champion, the designers of the All-New PS25 created a shaft with super-sorting and extremely tight tolerances that guarantees consistency from shot to shot, even at the highest levels of competition. FEATURES .001 Straightness or Straighter +/- 1 Grain Weight Tolerance 32" Shaft Length SHAFTS INCLUDE: All components are sold separately. This makes it easy to customize with your choice of bushings, nocks, points, and vanes. Spine Inner Diameter Outer Diameter GPI 250 .345" .386" 8.8 300 .345" .383" 8.2 350 .345" .381" 7.7 400 .345" .379" 7.2 Hot Melt is NOT recommended for use with Black Eagle Arrow shafts.NO Cleaner for Outside or Inside the shaft is recommended! Use Q-Tip or Paper towel.