12x 31.5" OD 7.8mm ID 6.2mm Spine 500-550 Mixed Carbon Archery Arrows Replaceable Tips Best Sellers It is easy to adjust

It is easy to adjust in length by 3-5cm by twisting

Arrowhead type: fixed glue-on practice arrowhead

This keeps the arrow from deflecting off the bow

Material: Cow Leather

12x 31.5" OD 7.8mm ID 6.2mm Spine 500-550 Mixed Carbon Archery Arrows Replaceable Tips Best Sellers It is easy to adjustArrow overall length: 31. 5" Shaft length: 30" Shaft inner diameter: 6. 2mm Shaft outer diameter: 7. 8mm Shaft material: mixed carbon Shaft color: black Shaft spine: 500 550 Arrow net weight: 34g Fletching type: plastic vanes Vanes color: 2 black and 1 white Vane shape: parabolic Vane material: TPU Vane size: 3" Nock type: press in nock Nock color: black Arrowhead type: replaceable screw in field point Arrowhead size: 8 32 screw thread Arrowhead