• For Robertson/square head screws • Black oxide tip for higher accuracy • Two-component handle with vertical grooves and large soft-grip area for comfortable grip and high torque transfer • Handle made with over 75% rubber • Anti-slip surface • Permanent markings on the handle for quick identification of the tip • Integrated hanging hole • Chrome plated blade for high protection against corrosion, long life too • High-performance alloy steel blade • SB coding for retailed packed on a plastic hanger