Specification:1. Specifically designed for high performance 2. Can DIY easy to adjust the hex offset 3. Easy to install,only fit the 6-center hole wheel Description: Application for 6-Center Hole 1.9 inch 2.2 inch Wheel Wheel Mount Length: 17.5mm Thread Diameter:3.1mm Center Hole:12mm Thichkness:3mm/pcs Out Diameter:22mm Quantity:10pcs NOTE: 1. Only fit the 6-center hole wheel,when order pls check the size if fit your wheel 2. The assembled wheel rims and wheel hex only for reference, do not include. Color: As Shown Material: carbon fiber Package Contents: 10 x 3mm Carbon Fiber Wheel Hex Extension Spacer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.