Built off of our award winning Optimizer Ultra, the Optimizer Ultra X features our new Infinite Adjust Slotted Slide Bracket. Enabling the shooter to make 2nd axis and vertical adjustments easier, this feature greatly simplifies the sight in process. Gone are the days of playing hopscotch, jumping your housing from hole to hole. This new technology allows you to fine tune at 20 yards, getting the most out of your bow set-up and maximizing the sight tape range. Once mounted to the bow, the Optimizer Lite X features tool free windage and elevation adjustments. Complete with our patented R.D.S. Sight Tape Technology and to the yard accuracy, this sight is sure to boost shooter confidence from the back yard to that next trip to the treestand. Available with a choice of .010 or .019 fiber and two housing diameters, youa (TM)ll find out in a hurry why single pin sights have become so popular. Accepting a full line of accessories including lights, sun shades, and magnified lenses. Constructed from 6061-T6 aluminum, the Tetra and Optimizer X Series sight carry a 100% Lifetime Warranty and is proudly sourced and made in the USA.