Interchangeable insulated flip-blades with a slim-tip to fit tight terminal blocks Includes 3 double-ended blades: a #2 Phillips / 1/4-Inch Slotted; a #1 Phillips / 3/16-inch Slotted; and a #1 Square / #2 Square Double-ended blades have a 3.5-Inch shaft length out of handle When used with Klein insulated handle, blades have a 1000-Volt insulation rating For use with Klein Tools' Insulated Interchangeable Screwdrivers: Catalog Numbers 32286, 32287, 32288, 32293