Instant-on string-activated lighted nock
High-performance Aerofoil vane
Design increases spin to ignore crosswinds
Easy to locate after firing
Nockturnal Helios Vanes feature a breakthrough design that combines the simplicity of an instant-on string-activated lighted nock with a high-performance Aerofoil Vane for both high visibility and pinpoint accuracy. This design increases spin and is virtually unaffected by crosswinds.