Features: Double Purpose Design functions as both manual tool extension and power tool adapter for versatile applications in homes, workshop, and outdoor projects with effortless switching. SelfLocking Mechanism features secure grip systems that firmly holds bit in place during operate to prevent slippage and enhances work safety. High Strength build combines steel and carbon steel construction for durability and wear resistance in demanding tasks. Wide Compatibility adopts standard hexagonal interfaces to fit most mainstream brand bit, offering broad adaptability across various tool systems. Ergonomic Handle provides comfortable nonslip grip with optimized weight distribution to minimize hand fatigue during prolonged use. Specifications: Component: Steel Height:Approx.7cm/2.75inch Shank:6.35mm/0.25in Features:High-strength Steel,Ergonomic design,Wide compatibility,Easy operate; Package Includes: 1pc Manual Electric Tool Bit Connection Rod note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.