Check the listing for details. FIRENOCK Aerovane 2 arrow vane (100 pcs). Condition: New. Listed at 50.00 USD. Brand New FIRENOCK Aerovane 2 arrow vane (100 pcs) Each pack has 100 pcs(Please select 1 out of 12 colors: Red, Pink, Orange, Yellow, Green, Lime, Blue, Black, White, Clear, Mint, Violet) See Aerovane 2 on youtube (just input " aerovane 2 ") Features:Airfoil technology to induce rotation3 different surface texturing for mini turbulence and maximum air speedTrue owl wing frontal design (Modeled after the only bird that flies with no sound)Fly quieter than traditional vanesMade of rigid material for structural rigidity and maximum steeringTrue ultra slim pyramid design to achieve little bending, flapping or flutteringFormulated to easily bond with fletching glue (e.g. Fletch-Tite / Firenock AGO600 / Firenock AGOGEL)Higher down range speed than most common vanesWind channel for structural flexibilityMinimum delta wing surface vortex for less dragMinimum 1st or 2nd stage turbulenceMinimum surface to air drag with concave featureHeight of 0.55" , Length of 1.967"Weight only 7.25 grainNotes: Aerovane II must be fletched straight to perform best.For best result, fletch Aerovane II with Aerovane Jig with clamp, or Bitzenburger jig with a zenith conversion kit with Aerovane Straight Stainless Steel Clamp for arrows shooting at no less than 280 fps.Aerovane II works best with bow with close to perfect nock travel.Aerovane II works best with arrow length not shorter than draw length, and/or no less than 28 inch.Aerovane II works best with full containment rest (e.g. AeroRest, Hostage Pro, QuickTune 360 with uneven nock travel bows).Aerovane II can work with worn out Whisker Biscuit arrow rest as Aerovane II has a thick frontal end, which it can open the bristles and let the vane passing through the rest with minimal drag.