The HHA Sports® EZ-Tapes Selection System helps improve your aim and hit your target every time. This tape system is easy to set up and accommodates bow speeds of 225 FPS to 325 FPS. With the sight-in tape, bowhunters can choose the appropriate selection for any draw length, bow speed, or shooting style. These adjustments help to provide a precise aim and shot within 1/4 inch of point of impact. Mainly used for 3D archery, the HHA Sports® EZ-Tapes Selection System helps bowhunters quickly and accurately adjust their sight to varying distances for a precise shot each time.