<b>Description:</b> <br> Outter diameter : 8.8mm <br> Inner diameter : 7.6mm <br> Material of arrow shaft : carbon <br> Length of arrow shaft : 20" <br> Weight of arrow point (broadheads only) : 125 grain <br> Weight:about 28g/pc <br> Arrow nock : halfmoon shape <br> Arrow vane : TPU 4" vanes , two blue one white With aluminium insert for screwing the arrow tips <br> Usage : for crossbow hunting or archery <br> <br> Please note that the picture is 12pcs . <br> NOTE: If the plastic vanes shape is distorted.You can put the vanes into 176℉-194℉ hot water for a few minutes,or straighten them by using an air dryerthey .they can be recover the original shape.<br> This is NOT a toy do NOT shoot at people <br>