The Tools works on inner tie-rods with inaccessible wrench flats on many trucks and SUVs.The long socket slips over the tie-rod end and the crows foot engages on the socket for easy removel and installtion. This tool comes with four crows feet, sizes 1-7/16", 33.6mm, 38.4mm and 42mm to fit many Toyota, Nissan, Ford, Lincoln, Mercury and Chevrolet truck and SUV applications. Also fits some Cadillac Escalade, Hummer H2, Honda Passport and Jeep Liberty applications.