12x 31" OD 7.8mm ID 6.2mm Spine 500 Fletched Mixed Carbon Archery Arrows Replaceable Tips Bow Stands This shape makes the bow

This shape makes the bow curve out toward the target

Made of Aluminum Alloy

The limbs are laminated by maple wood

A: 12 assembled arrows

I always tighten my tips

12x 31" OD 7.8mm ID 6.2mm Spine 500 Fletched Mixed Carbon Archery Arrows Replaceable Tips Bow Stands This shape makes the bowBrand: HuntingDoor Arrow overall length: 31" Shaft inner diameter: 6. 2mm Shaft outer diameter: 7. 8mm Shaft material: mixed carbon Shaft color: black Shaft spine: tested 500 Arrow weight: 35g Fletching type: plastic vanes Vane size: 3" Vane shape: parabolic cutting Vanes colors: 1 white and 2 red Nock type: press in plastic nock Nock color: transparent green Arrowhead type: replaceable screw in field point Arrowhead material: steel (not carbon steel)