Based on the award-winning Tru-Sight Xtreme Series design, this TSX Pro Series ultra-strong, lightweight, five-pin sight features a unique stainless steel tube that helps illuminate the pins. Its tool-free design delivers easy in-the-field calibration and fine tuning. Encased in Tru-Touch, a soft-feel technical coating for silence and extra durability. The glow-in-the-dark shooter's ring, luminescent tape at level and the adjustable rheostat light deliver glare-free, eye-to-pin focus in any condition. Adjustable second- and third-axis level with two vertical bars. The reversible bracket offers greater vertical adjustability. Windage, elevation and pin adjustment markings. Aperture has a 2" inner diameter with .019" pins. Right or left hand.