Front Hub Installer and Puller, Max. Spread 4 1/2 In., Min. Spread 4 In., Screw Size 5/8-18, Screw Width 5, Use w/Jaw or Push Puller No. G3040737, Pushes Axle Shaft From Front Hub And Pulls Axle Shaft Into Front Hubs On Ford Vehicles, For Servicing Front Wheel Drive Cars With 20mm X 1.5 Thread Axle Shafts, Includes Spare Locknut