Wanting to try carbons but unsure of what spine will work best for you? This simple test pack comes with one bare shaft of each of the most popular GoldTip Traditional Shaft spines. 1 600 (15-35 # spine), 1 500 (35-55 # spine) and 1 400 (55-75 # spine) This pack also comes with nocks and inserts. Check out our different weight points and inserts to help dial in your arrows!