The LIT Lighted Arrow Nocks are designed to make tracking your arrow effortless, fitting most carbon shafts with an ID of 0.166". Each nock features an external on/off switch for easy activation without tools, and automatically lights up when the arrow is shot, making it visible both day and night. With a long-lasting battery that stays lit for up to 48 hours, these nocks come in a variety of colors, including red, blue, green, yellow, or multi-color, and are a cost-effective way to preserve expensive arrows. Each pack contains three lighted nocks, weighing 16 grains each.

Features:Fits most carbon shafts with an ID of 0.166";External on/off switch, no tools needed;Super bright: visible day and night;Long-lasting: stays lit for up to 48 hours;Auto on: lights up when the arrow is shot;Cost-effective: saves expensive arrows;Weight: 16 grains;Pack of 3 lighted nocks