This short and light-weight insert made from high quality aluminum fits precisely into our Penthalon carbon shafts from the Traditonal series and our great Penthalon Hunter Extrem. It is perfect for all spine values 300-800.

• Material: 1st grade aluminum
• Weight: 12.3 grs.
• Quality: Made in Germany
• Use: Penthalon Traditional shafts, Penthalon Hunter Extrem Byron Ferguson Heavy Hunter shafts and Easton carbon arrows with an ID of .245 inches