<b>GPI: </b>17.59 grain/inch<br><b>Arrow Shaft Length: </b>14 inch<br><b>Arrow Shafts Inner Diameter: </b>6mm <br><b>Arrow Shafts Outter Diameter: </b>8mm<br><b>Arrow Shafts Material: </b>Fiberglass<br><b>Vanes: </b>3 inch TPU Streamline Vanes(1 Green 2 Orange)<br><b>Points: </b>100 Grain Changeable Screw Points and Aluminum Inserts<br><b>Nocks: </b>Aluminum Flat Nocks<br><b>Suitable for: </b>Crossbows Hunting or Practice<br><b>If the plastice vane shape is distorted, you can put the vane into 80 Degrees Celsius-90 Degrees Celsius hot water for a few minutes, it can be recover the original shape.