• Tuning system unlike any other before

Carbon One (2000-1400 use #1 | 1150-730 use #2 | 660-500 use #3 | 450-410 use #4)

Adjustable ozone output from 50 mg/h to 500 mg/h

• Tough aluminum eyecup tube

Fixed 1° right off-set

Nockturnal Shift Lighted Nock with FIT Technology Nock Color:Strobing Red/Green • Tuning system unlike anyThe next generation of Lighted Nock is the Nockturnal Shift Super Strong Clear Polycarbonate Construction Waterproof and Shock Proof Weight: Approximately 25 grains Delivers more than 20 hours of lithium powered battery life Quantity: 2 pack Fits X, H, S, and GT Arrows: X (no collar) fits smaller diameter carbon . 204 ID shafts H (white collar) fits carbon . 233 ID shafts S (gray collar) fits standard carbon . 244 ID shafts GT (black collar) fits