Universal 2.35 round shank screwdriver easily clips into power screwdriver. Instantly converts impact driver to hold drill bits and quick-change screwdriver bits - Use in automotive, garages, warehouses, offices, home, etc. Extra-thin bit grip from 0.3mm to 3.4mm, holds many rotary tool accessories. > Three-jaw chuck to securely hold round shank drill bits; body entirely in aluminum alloy and removable connection rod. Practical, safe and fast. Keyless chuck converter to go from driving to drilling in seconds. Allows the impact driver to operate like a regular drill and hold quick change bits. Features: Best for: electric grinder. Type: Chuck Adapter. Material: Aluminum Alloy. Chuck Diameter: 0.3-3.4 mm. Diameter of connecting rod: 2.35 mm. Features: Available in electric sander, nail machine, engraving machine. Allows connection rod power tools use conventional drill bits. Instantly converts impact driver to hold drill bits and quick-change screwdriver bits. Note: Measurements being taken by hand, the sizes shown may vary by 0-5 mm which is completely normal. The color of the item may vary from the one shown, depending on the display and light settings from your computer. Contents: 1 drill chuck from 0.3 to 3.4 mm