• 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.
• Instant-on string-activated lighted nock
• High-performance Aerofoil vane
• Design increases spin to ignore crosswinds
• Easy to locate after firing
• Colours: Red, Green

Helios S fits arrows:

• Carbon Express

• Beman ICS

• Easton

• PSE

• Victory

• CT

• Carbon Impact