The Nockturnal Lighted Nock Red 3 pack is an affordable solution for archers seeking enhanced visibility in low-light conditions. This universal fit nock is designed to accommodate a wide range of arrow sizes, including those with X, H, S, and GT nocks. The clear Polycarbonate material ensures durability and clarity. Adapter sleeves are included for seamless installation on various arrow shafts. With fast shipping, you can get your hands on this essential accessory quickly. Whether you're a seasoned pro or a beginner, this lighted nock is an excellent addition to any archer's arsenal.Product Features and Specifications: Material: Super strong clear Polycarbonate Fits all arrows using X nock and larger Adapter sleeves for GT, S, and H nocks