These flat bottom link tabs are made to weld to any flat surface. These tabs are 3/16" 100,000 min yield steel and have a 1/2" 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" from bolt hole to the surface, medium are 2" from bolt hole to the surface and short are 1 1/2" from bolt hole to the surface. Sold Individually.