Sir Tools ST 9012 7-in-1 Interchangeable IEC Screwdriver Blade Kit Double Insulated 1000 volt screwdriver set with interchangeable driver blades Unique quick release driver handle for greater leverage of screw removal and replacement Small free spinning button head "Handle" for delicate precision removal and replacement of screws Convenient storage and professional canvas fold-up pouch 7 insulated blades, 3 Phillips and 4 flat