Item Type: Hub Centric Wheel Spacer Kit Material: Aluminum Alloy Spacer Thickness: Approx. 5mm/0.2in Center Diameter: Approx. 57.1mm/2.2in Fitment: Fit for all 5 bolt wheels pre drilled for 5x100 and 5x112 bolt pattern Replacement for T Reg vehicles 1999-2011 Replacement for A3 A4 A5 A6 A8 vehicles 1997-2008 Package List 10 x Ball Bolts 2 x Spacer 1 x Installer 1Ideal Application: Fit for all 5 bolt wheels pre drilled for 5x100 and 5x112 bolt pattern, replacement for T Reg vehicles 1999-2011 and replacement for A3 A4 A5 A6 A8 vehicles 1997-2008. 2Function: The hub centric wheel spacer kit can widen your vehicle wheel base, increase cornering stability and resistance to side roll over, deliver a better and safer driving experience. 35mm Thick: The heavy duty hub centric wheel adapter is professionally designed with 5mm thickness, thin enough to allow your original hub lip to protrude and center the wheel. 4Aluminum Alloy Structure: The hub centric wheel spacer set is made of high quality aerospace grade aluminum alloy with high strength and light weight, excellent radiation resistant, durable. 5Complete Kit: The hub centric wheel spacer kit consists of 2 pieces wheel spacers, 10 pieces ball bolts and a installer tool, providing you with a convenient installation process.