Description: 【Easy Insertion】: The hexagonal bore design allows your hex shank tools to slide in smoothly and lock firmly, reducing wobble and ensuring a stable connection for turning screws or fasteners 【Wide Application】: This universal driver coupler works with most standard hex accessories, including screwdriver tips, nut drivers, and socket adapters, making it a versatile addition to any toolbox 【Secure Fit】: Precision machined to 6.5mm, this 6.5mm shank converter holds each accessory tightly, so you can apply torque confidently without slipping or damaging the tool interface 【Simple Setup】: Just attach this electric driver hex adapter to your driver's chuck, tighten as usual, and you are ready to use any hex shank tool, saving time when switching between tasks 【Compact Design】: The short overall length keeps the tool close to the driver, improving balance and access in confined spaces, while the sturdy steel build withstands regular workshop use Specification: Material: Carbon Steel Size Chart: 4.9cmx1.8cm/1.93inchx0.71inch Package Includes: 1 Electric Driver Hex Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.