DURABLE CR-V CONSTRUCTION – Built with heat-treated chrome vanadium alloy steel for lasting durability, the bits and tubes are also coated with rust and corrosion-resistant sandblasting chrome finish. PRECISION MACHINED TIPS – Tips of the bits are precision machined for an exact fit onto the screw head. Store all bits and tubes within the screwdriver. Make quick changes with spring-loaded design. DUAL-MATERIAL COMFY HANDLE – Crafted with high-quality CA and TPR material, the soft-grip handle is ergonomically designed to offer you secure and comfortable grips while applying high torque. 3-WAY RATCHETING MECHANISM – Supports forward, reverse, and locked positions. Effort-saving ratcheting mechanism requires less effort to apply larger turning force for tightening or loosening work. 9-IN-1 MU