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 0.5 inch front, but these spacers will raise the front end of your truck by true 0.5 inch front.Specifications:Color: BlackMaterial: Billet AluminumLifting height and installation position: 0.5 inch FrontDimension: 12.5x6x1cm/ 4.92"x2.36"x0.39"(L*W*H)Screw Thread Size: M10x1.5Nut Size: 8mm/ 0.31"(ID)Gasket Size: 10mm/ 0.