Features: Universally Hexagonal Adapter ensures seamless compatibility across power tool accessories, offering durability torques transmission for professional performances. Precise engineered hexagonal shaft prevents slippage during operations while tool less fast change mechanism enables fast bit swaps without secondary equipment. Ideal for mechanics, woodworkers, and construction technicians requiring rapid tool in demanding environments like automotive repair shops or fabrication workshops. Optimizes workflow in tight spaces and outdoor job sites where portable, corrosions resistant power tool adapters are essential for continuous drilling, driving, or fastening tasks. Heat treated carbon steel cores paired with anti rust plating delivers extended service life under heavy duty applications, maintaining dimensional accuracy across thousands of cycles. Specifications: Component: carbon steel Size:Approx. 7x0.635x0.63cm/2.76x0.25x0.248inch Package Includes: 1pcs Hexagonal Shaft Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.