Fitment: Ballast box can protect your tractor from tipping over. Fits for 3 point category 1 tractors and skid steers. Suitable for 2 hitch ball receiver, make it easy to tow while using. Hitch ball receiver is not included. Use weighted implements to protect the stability of your tractor’s front axle. It improves traction by balancing and shifting weight from the weaker front end of the device to the stronger back end.