It grabs the small outer portion thats grooved, a two part sleeve that fits over it. It is a specialized tool, not to be confused with gear pullers. The kit comes with diff size sleeves to remove all manufacturers, not Ford specific. You need this tool or you will screw something up. Also comes with the portion to reinstall the pulley.
66 Coupe 200ci I6 Stock
66 Bronco half cab 203ci I6, CI aluminum Head and intake, Holley 390cfm 4V, Clifford header, Isky cam, KB pistons 9.7:1 comp, DSII ignition