HHA Sports Optimizer Ultra X 1 Pin Bow Sight - Introducing to-the-yard precision nearly 20 years ago, the Optimizer Ultra X remains one of the most popular single-pin sights on the market today. Versatile and rugged, it can withstand years of abuse and still be accurate enough to win your next 3D tournament. With the popularity of single-pin sights at an all-time high, the Ultra X remains a great choice for any season.