Spine: 500
<br />Material of arrow shaft : carbon
<br />Shaft diameter: Outer 7.6mm Inner 6.2mm
<br />Length of arrow shaft : 30"
<br />Weight of arrow point (broadhead only) : 100 grain
<br />Arrow nock : black
<br />Nocks: Adjustable and not glued
<br />Arrow vane : 3" vanes , two black one white
<br />Usage : Recurve compound bow hunting targeting or archery practice
<br />Package Quantity: 12pcs
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<br />User Notice 
<br />Do not shot against concrete wall or any hard substance. This may damage the arrows. 
<br />Nocks are not fixed by glue,they can be adjusted for your bow.
<br />If the fletching have a little bent,you can straighten them by using an air dryer or soaked in hot water.