AIMDOR ARROWS: Carbon. Shaft Length: 30”, ID: 6.2mm, OD: 7.8mm, Spine: 500. Fletched with TPU 3”vanes. Suitable for 10-80 pounds compound bows recurve bow. ADJUSTABLE QUIVER:The multifunctional waterproof quiver can hold arrows of different lengths from 20"-34", including compound bow arrows, recurve bow arrows, kids bow arrows , bowfishing arrows, etc. In addition, it can also be used to hold blueprint drawings, oil paintings、documents and other items. DURABLE MATERIAL:Carbon arrow. Precision carbon hunting arrows made for extended durability and long lasting target practice.The 100 grain tips are nickel plated stainless steel which is perfect for target practice & outdoor shooting, the screw tips are with insert can be changed. GOOD PERFORMANCE: The nock are not glued, so it can be adjustable for your bow. For the long distance transportation, the vanes may bent. If the vane is bent, you can use an air dryer or soaked it into 80℃-90℃ hot water for a few minutes, it will straight again. BEST SERVICE: We provides the best service if you purchasing our arrows. If you have any problem about this item, please for free to contact us.