This truck tire changer tool kit is designed to mount and demount 22.5" to 24.5" tires on medium and heavy vehicles. The 3-piece set includes a demounting tool, bead holder, and mounting bar for efficient tire service work. Its forged steel construction and reinforced nylon components provide durability for repeated use. Smooth contact surfaces and a nylon roller help reduce damage to tires and rims during operation. It is suited for buses, heavy trucks, trailers, tractors, and other large vehicles.