The Imperial permanent bridge head is intended to be used with an existing bridge stick. It attaches with ease and is held in place with a single set screw (included). Play the perfect shot with 6 available positions, allowing you to customize the cue height and placement. A bridge is typically used when using your hand as a bridge doesn't provide the optimal angle, or when a shot is too far for you to reach, serving as an extension of your arm. It's constructed from durable cast aluminum.