The Klein Tools #0 Square-Recess Tip Screwdriver has a 4-Inch Round-Shank for work on combination head receptacles, switch and panel screws. The Cushion-Grip handle allows for greater torque and comfort. Patented Tip-Ident quickly identifies the type of screwdriver and screwdriver tip orientation. 660 SCREWDRIVER #0 4" YELLOW ROBERTSON