The Executioner carbon crossbow arrow was designed for superior performance, bringing you speed, kinetic energy, and accuracy. The overall weight of the arrow including a brass insert was built for optimal F.O.C. maximizing accuracy and at no loss of speed or kinetic energy thus making this bolt a deadly combination in any crossbow. And if you don't believe us look around at all the Executioners crossbow arrows that are being used today and not buy just by hunters and target shooters but by Crossbow Manufacturers. If you shoot a crossbow and you don't shoot the Executioner crossbow arrows you are missing out, Guaranteed! Spine Matched Grouped Together Technology We employ Grouped Together Technology to spine match each dozen arrows. This ensures precise consistency with a Spine Deviation ±.010 Across Dozen Shaft Straightness We guarantee at the specified straightness or straighter. Unlike other companies in the industry, who measure a 28" section, we measure the full length of the shaft and offer 001" or .003" or Better Straightness Tolerances Weight Sorted We weigh and group all our shafts to ensure the perfect match. On our premium shafts we don't allow for weight tolerances ± 1 grain across the dozen, neither should you. All 20" and 22" Fletched Arrows will come with 3" Bohning X Vanesand all 18" Fletched Arrows will come with 2" Blazer Vanes. ALL Crossbow Arrow Nocks are Pressed fit and are NOT glued. Executioner fletched crossbow bols come with: Half Moon Nocks (Installed but Removable) and Flat Nocks Included Executioner Brass Inserts are installed - (18" Arrow - 92 Grain)(20" Arrow - 110 Grain) (22" Arrow - 92 Grain) Executioners are fletched with Bohning 3" Vanes on 20" and 22, and 2" Bohning Blazer Vanes on 18" Does not include points, sold separately