GHP Heavy Duty Aloy Steel Torque Multiplier Wrench Set w Blue Blow-Molded Case Suitable for Trucks, Buses, RVs and Other Heavy Duty Vehicles Extended torque ideal for hard-to-turn bolts Free four sockets for deep wheel wells 10 cm long rocking bar is wrapped with rubber foam for better hang grip Labor saving wrench: made from extra sturdy alloy steel to withstand daily wear