KT32501 Features: -Use on trucks, buses, farm, and off-road vehicles.-Great for on the road service.-Forged from 1" alloy steel for long lasting strength.-Socket sizes: 1-1/8" with 13/16" sq. x 1-1/2".-Double End Truck Wrench - 1-1/8"". Specifications: -Use TR5 truck wrench handle. Warranty: -Lifetime warranty does not cover abuse.