Carbon Express Maxima Red SD OD Green Shafts 300 Grain 1 doz. X937300. Utilizing Tri-Spine/RED ZONE Technology these shafts reduce oscillation by more than two-thirds compared to traditional single-spine arrows delivering up to four times greater accuracy. With BuffTuff Plus BuffTuff and Diamond Weave layered construction across the shaft they provide superior strength spine consistency and a quiet durable finish. Black BullDog Nock Collars protect against rear impact damage while Launchpad Precision Nocks improve release and shaft alignment. Laser Match Set sorting and a true straightness tolerance of +/- .001" ensure unmatched consistency from shot to shot. Specifications for Carbon Express Maxima Red SD OD Green Shafts: Manufacturer: Carbon Express Color: Green Size: 300 Features of Carbon Express Maxima Red SD OD Green Shafts: Tri-Spine/RED ZONE Technology for reduced oscillation and increased accuracy BuffTuff Plus front 1/3 high modulus carbon weave for strength and consistency BuffTuff middle 1/3 for tough quiet finish and easy removal Diamond Weave back 1/3 for stiffness and spine control Black BullDog nock collars made from aircraft-grade aluminum Laser Match Set with spine sorting tolerance +/- .0025" Weight sorting tolerance +/- 1.0 grains +/- .001" real straightness (laser checked to 1/10000 inch) Launchpad Precision Nocks for improved release and alignment Packaged in a 12-shaft box Package Contents: Carbon Express Maxima Red SD OD Green Shafts