IRQ 32inch Carbon Arrows Natural Feathers Fletching Archery Hunting Target Arrows for Recurve and Compound Bow with Screw In Replacement Tips Adjustable Nocks 6 Pack 32inch Pure Carbon Shafts arrows. Outdoor diameter: 7.5mm Weight about 25g/pc .Spine 400 . Draw weight up to 50lbs. 4'' natural Turkey feathers for balance control. Screw in replacement arrow tips 100 grain (Rubber rings make the field points more tightening) The arrow nocks are not glued which be adjusted for your bow The arrows can be used for compound bows, recurve bows,traditional longbows. Low hand shock . Shooting far and accuracy