Features: Must-have accessory set for power drills and driver. The batch handle is f aluminum alloy. Ergonomic design, easy to hold and provide greater torques. Screws and fixtures can be inserted and removed quickly and easily. It has a steel head with a magnetizeds base for excellent drill bit retention, while accepting all standard 4mm (3/25") screwdriver bit and extension rods. Specifications: Material:Aluminum Alloy Length:Approx.10.6cm/4.17'' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Screwdriver Handle