Be ready for any situation with the React Trio Pro Sight by Trophy Ridge. It comes equipped with fixed pins for targets at close range, and a precision dial for targets at extended distances. The React Trio Pro incorporates many features from top-of-the-line target sights, and ensures consistently high performance hunt after hunt. The sight comes equipped with Trophy Ridge’s advanced React Technology, which automatically sights in the remaining indicators after just 2 yardage adjustments to deliver dead-on accuracy. Adjustments to windage and elevation can be made without the use of tools, and second and third axis leveling allows you to hone your accuracy at longer ranges and extreme angles via the integrated adjustment knobs. Features: React Technology: Automatically sights in the remaining indicators after just 2 yardage adjustmentsThree fixed pins for close range targets and precision dial for targets at extended distances Tool-less adjustments Trophy Ridge React Trio Pro RH .019 Black Bow Sight AS713R19