The Formula GT wheel feature a hand-stitched leather-grained vinyl grip. The Formula GT is a 3-spoke design with machined racing holes. This has been one of our most popular and endearing designs since it was first introduced in the mid 1970's. A Grant installation kit is necessary to mount this wheel to a vehicle. This wheel will work with Grant standard 3000 or 4000 series, billet 5000 series, or euro 6000 series installation kits.Specifications: Color Black Hand Grip Diameter (in.) 15.000 in. Spoke Color Black Spoke Number 3 Description_DES Formula GT Steering Wheel Description_EXT Formula GT Steering Wheel; 15 in. Diameter; 3 in. Dish; Black Hand Grip; Black Anodized 3-Spoke Design; Description_FAB Black Leather Grained Finger Tip Description_FAB Hand Stitched Grip Description_FAB Anodized Aluminum Spokes Description_FAB Incl. Matte Black Rubber Styling Sleeve Description_MKT The Formula GT wheel feature a hand-stitched leather-grained vinyl grip. The Formula GT is a 3-spoke design with machined racing holes. This has been one of our most popular and endearing designs since it was first introduced in the mid 1970's. A Grant installation kit is necessary to mount this wheel to a vehicle. This wheel will work with Grant standard 3000 or 4000 series, billet 5000 series, or euro 6000 series installation kits. Description_SHO Steering Wheel