Nockturnal FIT Universal Size Strobing Red/Green Nock

The Nockturnal FIT Universal Size Red/Green Lighted Nocks offer a super strong clear polycarbonate construction that fits into an X arrow shaft. They come with sleeves (3 each) for H, S, and GT arrows and provide a 20 plus hour battery life. Comes in a three pack and provides a strobing red and green light, making it one of the easiest to see. Universal size fit Polycarbonate construction Fit into an X arrow shaft 20 plus hour battery life Come with sleeves (3 each) Strobing red and green light Manufacturer Part Number: NT-300 UPC: 818322011839 Shipping Weight: 0.1 lb Box Dimensions: 6 L x 5 W x 1 H (inches)