This ballast box is built from durable Q235 steel with a rust-resistant finish and reinforced welding. It supports up to 800 lbs to improve tractor balance and reduce operating risk. The tractor ballast box can be filled with sand or gravel as needed. Installation hardware is included for easy attachment. It fits most Category 1 3-point hitch tractors for farm work and material handling. | Vevor | | Ballast Box,3-Point Category 1 Tractor Ballast of 800 lbs Capacity,with Standard 2 Inch Hitch Receiver, Heavy-Duty Steel | Green | Best Buy