The GT Performance GT Pro Touring Sport Steering Wheels feature a classic GT design that projects premium performance and styling by offering the true look, feel and spirit of high level competition. The wheel is constructed of 5mm thick 5086 billet aluminum that is available in black or polished finishes. The grip features the finest black bovine leather available and is perforated and has ergonomically shaped hand grips to reduce driver fatigue. These steering wheels have a 9-bolt mounting pattern and can be used with any GT9 Installation hub and and GT9 Style horn buttons.