Full length: 31.5inch, shaft length: 30inch, outer diameter: 0.307" (7.8mm), inner diameter: 0.244" (6.2mm), Spine: 500, Vanes has added specially designed air ducts. For draw weight 20-60 pounds recurve, compound, or traditional long bows Hunting arrows are solid & well made. Precision carbon targeting arrows made for extended durability and long lasting target practice 3" vanes has added specially designed air ducts, Can effectively reduce the wind resistance during arrow flight， Colored plastic fletching make flight always pointed the right way. The tips are nickel plated stainless steel which is perfect for target practice & hunting & outdoor shooting The nock is not fixed with glue, can adjust it according to the needs of the bow.arrow tips are removable according to your requirements，you can easily replace arrows such as broadheads The arrows came extremely well packaged and the quality is also impeccable