Its light, compact design won't weight you down or get hung up in the field, making it ideal for any type of hunting. Tru-Touch™ soft-feel technical coating encases the sturdy, all-metal construction to reduce noise. The extra-long .019"-diameter fibers are routed through the bracket for greater durability and light exposure. Tool-free design lets you make adjustments in the field, and Tru-Zero™ pin design minimizes pin gaps. A micro push-button light offers optimal pin illumination. Glow-in-the-dark shooter's ring. Generous 1.8" inner aperture diameter. Bracket is reversible for greater range of vertical adjustment. Runs on three AG1 batteries (included). For use with left- or right-hand bows.