Description:About The Thickness: Lift spacer thickness and lift is not a 1:1 ratio due to the suspension shape.The actual thickness of spacer is thinner than 1 inch front, but these spacers will raise the front end of your truck by true 1 inch front.Specifications:Color: BlackMaterial: Billet AluminumLifting height and installation position: 1 inch FrontDimension: 12.5x6x1.5cm/ 4.92"x2.36"x0.59"(L*W*H)Screw Thread Size: M10x1.5Nut Size: 8mm/ 0.31"(ID)Gasket Size: 10mm/ 0.