Specifications: 4.5*6.2*762mm, 6.2*7.5*762mm, 5*7*775mm, 6.6*7.82/7.92*762mm. Straightness: 0.3%, 0.4%, 0.5%. Spine: 300, 340, 400, 500. Materials: carbon fiber, fiberglass. Our company is commited to produce carbon fiber arrow shafts, we can support shafts for enterprises. We can produce the products according to customers` demands.