HHA Sports Optimizer Lite X 1 Pin Bow Sight - The Optimizer Lite X continues to be one of the top-selling single pin sights of all time, nearly 25 year years after its introduction. A top choice for hunters and 3D shooters alike, the Optimizer Lite was the first site in the HHA product line to feature the patented R.D.S. Sight Tape Technology. Accepting a full line of accessories including magnified lenses, sun shades and lights, archers can’t go wrong when choosing the iconic sight for all their needs. it compatible The Scope size is 1-5/8in. In the Box Optimizer Lite X Sight Mounting Hardware Preprinted water resistant tapes Instructions HHA Decal