Gas Pro NACA 170 Vanes is_alien Large fits 3/4" to 1"

Large fits 3/4" to 1" limb gap

Does not fit VTX scope housings

Micro & tool-less windage adjustment with laser engraved markings

Breathable padded mesh back with zippered pocket

Gas Pro NACA 170 Vanes is_alien Large fits 3/4" to 1"The Gas Pro Naca 170 is a great choice to maximize arrow speed and optimize stability, thanks to the patented NACA design. In a compact length of just 1. 7'' (43mm), and made with the best Gas Pro material available, the NACA 170 Vane is an excellent choice for any type of shooting, in any conditions. Features: Increase rotations by up to 400% Gyroscope effect for better grouping Maximizes arrow speed Patented Naca design Specifications: Length: 1.