The Deli flat screwdriver is a professional-grade tool engineered for heavy-duty tasks requiring high torque and reliable performance. It features a unique Pass-Through design that allows for the use of an external wrench to increase leverage, making it ideal for demanding industrial applications. Constructed from high-quality Chromium-Vanadium (Cr-V) steel, the tool offers superior hardness, durability, and corrosion resistance. The 420mm length and 9.5mm diameter shank provide deep reach and extra power. With a hexagonal shank for enhanced control and a matte finish to reduce light reflection, this screwdriver is built for precision. Its ergonomic rubber-plastic bi-material handle ensures a comfortable, non-slip grip that is resistant to oil, grease, and scratches, maximizing safety and efficiency in your workspace.