These heavy-duty jack stands are designed to provide secure, stable support for vehicle maintenance and repair. Each stand offers a 6-ton capacity and an adjustable height range from 14.6" to 22.8" to accommodate different vehicles and lifting needs. The dual locking design combines a ratchet lock with a metal locking pin for added security during use. Built with a carbon steel base and cast iron ratchet bar, they are made for long-term durability. This pair is suited for RVs, trucks, SUVs, and cars.