These are 1.25" thick. 6x5.5 (6x139.7mm) bolt pattern. 106mm Hub Diameter and 106mm Wheel Centering Lip. 12x1.5mm wheel studs with lug nuts to attach the spacer to your truck. These are Hub and Wheel Centric to ensure a perfect fit and ride! Anodized black. These are American Made with a Lifetime Warranty!***SOLD AS A PAIR***This item is a custom order item and can take up to 4-10 weeks to fulfill.