Specifications: 6.2*7.5*711mm(28"), 6.2*7.5*762mm(30"), 6.2*7.5*812mm(32") Straightness: 0.2%, 0.3%, 0.4%, 0.5%. Spine: 300, 340, 400, 500. Materials: Carbon Fiber, Fiberglass. Our Company Is Commited To Produce Serious Kinds Of Carbon Fiber Arrows, ...Read More