Screwdriver (slim) for slotted screws. Reduced blade isolation diameter for recessed spring and screw elements. Ergonomically optimized dual component handle for fatigue-reduced work and optimum transmission of force. Handle design prevents rolling. Capacity half-moon, capacity in square millimeters, square drive capacity, square capacity, step-like square capacity, triangular clamping width, hexagon clamping width, round clamping width, square clamping width.