Imperial Billiard/Pool Cue Accessory: Permanent Bridge Head, Aluminum Permanent bridge head is intended to be used with an existing bridge stick 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 Constructed from durable cast aluminum