Universal 2.35 round shank screwdriver easily clips into power screwdriver. Instantly converts impact driver to hold drill bits and quick-change screwdriver bits - Automotive use , garages, warehouses, offices, home, etc. Extra-thin bits grip from 0.3mm to 3.4mm, holds many rotary tool accessories . Three-jaw chuck for securely holding round shank drill bits; full aluminum alloy body and removable connecting rod. Convenient, safe and fast. Keyless chuck converter to go from driving to drilling in seconds. Enables the impact driver to operate like a regular drill and hold quick change drill bits. Contents: 1 x 0.3-3.4mm drill chuck Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.