General description QuickIN accessory set for cordless drill designed for efficient metalworking. This versatile set enhances the functionality of your FEIN cordless screwdriver. Technical specifications Includes: bit holder (1/4 in), socket adapter (1/2 in), tap adapter Tap adapter features 2 collets for shank diameters of 4.5 mm and 6 mm Compatibility and accessories Compatible with all FEIN cordless screwdrivers with QuickIN/QuickIN MAX interface