Material Aluminum Thread Size 14 Exterior Finish Black Manufacturer Grade Grade 2 Color Black Brand EZISOE Conversion Adapters 5x5 to 6x5.5 SPECS: Vehicle Bolt Pattern 5x5 (5x127mm). Wheel Bolt Pattern 6x5.5 (6x139.7mm). Hub Center Bore: 78.1mm. Thickness: 2 inch, Thread Pitch: 14x1.5 Fitment: Change Bolt Pattern to Use 6x5.5 (6x139.7mm) Wheels On 5x5 (5x127mm) 11-19 Grand Cherokee, 18-19 Wrangler, 88-99 C1500, 92-99 C1500 Suburban, 96-02 Express, 88-99 Suburban 1500, 95-99 Tahoe, 91-99 Yukon(5 lug), 96-02 Savana 1500 High quality and Fine Forfing Process: Our wheels spacers are made of high quality forged 6061-T6 aluminum alloy badges, which undergo continuous forging process, strong and not prone to breakage. Moreover, our spacers are carefully crafted with CNC precision machining to ensure excellent precision with 0.02mm tolerance and provide excellent surface quality Benefit: Solve wheel fitment issues especially when change bolt pattern, Allow you to use bigger tires, Customize the offset of your rims and Give you the custom aggressive look Easy Bolt-on Installation, No specical Tool Needed. If you need to buy wheel adapters, please check the specifications carefully