6/12/24pcs Toparchery 20inch Carbon Crossbow Arrow Crossbow Bolts Hunting Arrows with 4'' Vanes and Replaced Arrowhead TipsSPECIFICATIONS Brand Name: toparchery Type: Bow and Arrow Age: >8 Years Origin: Mainland China is_customized: Yes Material: Carbon crossbow Length: 20inch ID: 7. 6mm OD: 8. 8mm 6 12 24pcs Toparchery 20inch Carbon Crossbow Arrow Crossbow Bolts Hunting Arrows with 4'' Vanes and Replaced Arrowhead Tips Material of arrow shaft : carbon Arrow Length : 20inch ID: 7. 6mm OD: 8. 8mm Arrow nock: half moon shape Arrow vane: 4inch vanes Usage : for crossbow