This arrow is well made from fine materials .It has good performance , low hand shock with good speed . Using Plastic feathers and fiberglass shafts . the arrows with Broadheads .For nocks I used White nock from Bohning. Broadheads 125 Grain..Fletching is Gateway 3" parabolic RW with 3 Purple. Spined YOUR CHOICE Shafts are 8mm diameter.