Product features: Material: bamboo, Length: 84cm/ 33 inches Color: brown, Spine: 40-45lbs,45-50lbs Diameter: 7-8mm Package:50pcs this product is refined through a series of complex processes, such as carbonization, straightening, polishing, painting and grooving. after high temperature carbonization, the bamboo shaft is strong and tough, its color is natural brown, and its appearance is naturally retro. mechanical and manual multi-channel straightening treatment can effectively alleviate the back bending and re-deformation of the arrow shaft under the condition of good shaft straightening.