This adapter allows you to use the Ultraview Scope with your Tetra sight (2020 models and newer). This means you get all the benefits of the scope without having to buy a new sight! Specifications: Adapts any Tetra Sight Made 2020 or Later to be Used with an Ultraview Scope Comes with the entire HHA windage system Includes a windage rod specific to any Ultraview scope Infinite Adjust Plate T-Rail Available in Left and Right Hand Variants