<b> Product Details</b><br> Material: Carbon fiber <br> Length: 20" <br> Spine: 300<br> Shaft diameter: Outer 8.8mm Inner 7.62mm<br> Weight: 432-grains total (including 125-grain point). <br> Condition: New item <br> Tip and Nock: Half moon Nock and Screw Tips<br><br> <b> Package includes</b><br> 12 pieces of Carbon fiber arrows.<br> 4 Nock for free<br>