Up for sale is a heavy-duty stack of 4 solid cast iron counterweights, weighing exactly 50 lbs each for a total of 200 lbs of ballast weight.These feature a heavy-duty T-slot design and central mounting hole, making them incredibly easy to slide, stack, and secure onto a rear mounting bracket, guide pin, or chassis bar. They are ideal for adding rear stability to compact tractors, skid steers, mini-excavators, material lifts, or custom fabrication projects.