Quantity per pack 12
Black Eagle Standard nock is made for all .2445 shafts to include the Vintage Shafts.
This new nock is made with precision accuracy in mind. With a smaller shoulder, round throat, it increases accuracy by bringing your bowstring closer to the the arrow shaft and allowing your bowstring to release smoothly shot after shot.
Weight is 8 Grains
Center Serving size for bowstring to fit perfect is .109 -.110