The Andersen Hitches 3684 Jack Block is the perfect support solution for any towing application, whether you're hauling your family camper, toy hauler, or utility trailer. Made in the USA and engineered to support up to 50,000 lbs, it provides exceptional stability for various needs. With a height of 4", a 12" diameter base, and a top that accommodates up to a 9" round jack pad, it offers a secure and reliable foundation. Built-in magnets ensure effortless alignment under jacks, while convenient finger holes make handling easy. Backed by a lifetime warranty, this durable jack block is a must-have for any adventure.