>If you need quality slotted screwdrivers for slotted screws with both the width and thickness of the blade specified, you'll likely need to find your local gun

>If you need quality slotted screwdrivers for slotted screws with both the width and thickness of the blade specified, you'll likely need to find your local gun and ammunition store (and they'll likely be a special order even there). or any marine shop. slotted fasteners abound across the seven seas.