Archery Carbon Arrow 28inch/30inch/31inch Archery Hunting Nocks Proof Steel Point SP500 For Recurve Compound Bows

ID: 6.2mm, OD: 7.6mm, about 35g per arrow They are solid & well made. Precision carbon hunting arrows made for extended durability and long lasting practice. The 100 grain tips are nickel plated stainless steel, the screw tips are with insert can be changed. Nock are not fixed by glue. It can be adjustable for both compound bow and recurve bow. You can use a coin or other hard object to rotate the nock slowly as photo. You can change the nock easily. The arrows came extremely well packaged and the quality is also impeccable..syi