ARCHERY SHARLY 31" Carbon Practice Targeting Arrows Feather Fletching with 5" Natural Vanes and Removable Tips for Recurve Traditional Long Bow Spine: About 500, suitable for draw weight up to 35-50 pounds traditional bows, recurve & long bows. Perfect for beginners and whoever new to targeting & practice. Shaft Material: The practice arrows are made of carbon material, light and strong, stick in the target well, make flight always pointed the right way. Arrow Vanes: The feather fletched with 2pcs green and 1 white natural feathers. The color of the arrow feather is bright, it is easy to find when targeting and practice. Arrow Tips: The removable arrowheads are stainless steel and designed with an arc angle, the connection of the tips and the arrow rod is smooth and the flight quality is guaranteed, but it cannot be shot toward a hard object such as a stone. Performance: Outer diameter: 7.7mm, inner diameter: 6.7mm. Shaft length without arrowhead: 79cm/31 inch. The arrow feather and nock are glued, can not be adjustable.