WorkPro Screwdrivers are ideal for all your fastening work. The handle is crafted in a special pentagonal shape to provide greater torque and increased comfort, with a unique, dual material design to eliminate grip slippage during high-torque applications. The tip size markings are injected on the end of the handle for easy identification, while the alloy steel blades are heat treated for strength and the precision formed tips ensure an accurate fit to limit cam-out. The screwdriver has Heat-Treated, Cr-V Steel Blade Offers high durability and bend resistance. It help reduce slippage and stripping with the precision machined tip for better contact with fasteners. And the screwdrivers include metal end-caps and through-tang shafts for efficient transfer of force from end-cap to tip. Lastly the soft, ergonomic, bi-material grip helps offer maximum comfort and torque.