Altra Arrows Centrum 27 Premier Shafts AA111300. With an industry-leading straightness of .001 inches each shaft undergoes rigorous verification using state-of-the-art measuring equipment. The weight-matching process ensures every arrow is within +/- 1 grain providing optimal consistency. These 32-inch shafts come in packs of 12 making them the ultimate choice for achieving the pinnacle of precision and performance. Specifications for Altra Arrows Centrum 27 Premier Shafts AA111300: Manufacturer: Altra Arrows Color: Black Size: 300 Features of Altra Arrows Centrum 27 Premier Shafts: High-grade carbon shafts Industry-leading straightness: .001 inches NO SPINE Technology for improved tunability and consistency State-of-the-art measuring equipment for straightness verification Weight matched to +/- 1 grain 32" total length Comes in 12 pk shafts Components not included Premium components made from high-grade aluminum and stainless steel Designed for unmatched precision and efficiency Ideal for achieving the pinnacle of precision and performance Package Contents: Altra Arrows Centrum 27 Premier Shafts