① Full length:31.5Inch , Fletching Material: turkey feather. Outer diameter: 7.8mm, inner diameter: 6.7mm. Precision hunting arrows made for extended durability and long lasting target practice. ② Recommended for 20-50 lbs recurve,compound bow and traditional , english long bow. ③ Archery arrows fletched with 4 inch real turkey feathers, make flight always pointed the right way, more stable and shoot straighter. ④ Nocks are not fixed by glue. It can be adjustable to fit for your bows. With replaceable 3 nocks for free. ⑤ The feather longbow arrows put in well packaged and the quality is very good.