The Carbon Express Maxima Sable RZ continues to throttle the peak of lightweight hunting arrow performance. Constructed with Carbon Express' exclusive TriSpine technology and 360-degree spine consistency to stabilize and maintain how the arrow flexes in flight, the Sable RZ series sets a new standard in lightweight hunting arrow performance. Tri-Spine/RED ZONE Technology - Patented 3-spine arrow shaft with less than 1/3 the oscillation vs single spine arrow and 4 times the accuracy. K-360 - Patented outer layer construction integrates 100% high modulus carbon weave for consistent spine strength and durability. BullDog Nock Collars - Exclusive feature made of aircraft grade aluminum designed to prevent rear impact damage. Laser Match Set - Pack sets are sorted and matched by spine and weight for best-in-class consistency. Spine sorting tolerance +/- .0025" and weight sorting tolerance +/- 1.0 grains. +/- .001 Real Straightness – Laser checked for straightness to remarkable 1/10000 of an inch. Launchpad Precision Nocks - Controlled arrow release and integrated shaft alignment for more consistent accuracy. Q2i Rapt-X 2" Vanes 12-pack. Please Note: Color may vary.