All Categories
Product Description ▲Material: Mixed Carbon ▲Carbon content: 80% carbon ▲Arrow weight: 4.5g, ±0.15g (70 Grains ± 2.3 Grains) ▲The whole arrow weight (including the arrow): 28.5g, ±0.1g ▲Rod inner diameter: 6.2mm/0.24" ▲Rod outer diameter: 7.5mm/0.3" ▲Rod length: 77.6cm/31" ▲Straightness: ±0.005 (five thousandths of straightness) ▲Spine: 550-700 spine (under 50 Pound) ▲Packing: 12 arrows, 12 replacement arrows ▲After-sales: Due to objective reasons, if you have any quality problems with the package, please contact us in time, we will deal with it immediately, thank you for your trust. Popular science knowledge ❤Spine: The hardness of the arrow refers to the index of whether the arrow itself will be damaged after the arrow is shot. It is necessary to select the appropriate bow according to this index. For every 5 pounds added, the spine should be reduced by 50. ❤Arrow weight: refers to the weight of the arrow, the basic unit is "Grains", 1 Grains = 0.665g