The Forged 4 Bolt Mount Drawbar from Buyers Products features tough one-piece forged alloy steel construction. It's designed for use with pintle hitches. The base model, ideal for contractors, will handle towing weights of up to 42,000 lb. Three heavy duty models will support towing weights of either 60,000 or 90,000 lb, such as heavy equipment hauling, semi trailers and pup trailers.