General description Includes 4 different tools, especially useful for installing pneumatic screwdrivers, electric screwdrivers, air drills, hand screwdrivers, and other hex tool installations. Technical specifications Flexible drill extension length: approx. 29 cm Hex shank: 6.35 mm (1/4 inch) Hex head: 6.35 mm (1/4 inch) Drill bit holder lengths: 60 mm, 100 mm, 150 mm Impact drill adapters with hexagon shank: 1/4", 3/8", 1/2" Compatibility and accessories 1 x 105-degree electric drill extension adapter 1 x 60 mm drill bit holder 1 x 100 mm drill bit holder 1 x 150 mm drill bit holder Set of 3 impact drill adapters Usage Connect the impact wrench socket bit to the cordless power source Suitable for electric drills Quick-change compatible and works with most drills, cordless drills, wrenches, and screwdriver chucks