These flat bottom link tabs are made to weld to any flat surface. These tabs are 3/8 inch thick steel and have a 1/2 inch bolt hole. We offer three different lengths so that you can mount your joints in a neutral position to maximize axle articulation. Long tabs are 2-1/2 inches from bolt hole to the surface, medium are 2 inches from bolt hole to the surface and short are 1-1/2 inches from bolt hole to the surface.  Sold Individually.