The NAP Thunderglo Lighted Nocks are made from a durable polycarbonate blend and feature aluminum shafts for maximum strength. Nocks are equipped with a bright LED for easy visibility and come with your choice of red or green illumination. Polycarbonate blend nock with aluminum shaft Bright LED illumination for easy visibility Automatically turns on after your shoot your arrow LED stays on until you unclick the nock Universal collars fit arrow shafts (G/X/H/S) Includes (6) Lighted Nocks Your choice of Red or Green illumination Order today!
