General description Contains 4 different useful tools for installing air screwdrivers, electric screwdrivers, air drills, hand screwdrivers, and other hex tool installations. The 105-degree angled extension is designed for use in hard-to-reach places, providing versatility and convenience with various tools. Technical specifications 105-degree angled extension 1/4 inch hex drive shaft Drill bit sizes: 1/4", 3/8", and 1/2" Hex Shank: 6.35mm (1/4") Allen Head: 6.35mm (1/4") Flexible Shank Drill Bit Extension Length: 29cm (11.42") Magnetic Extension Chuck Adapter Lengths: 60mm, 100mm, 150mm Compatibility and accessories Fits most drill and screwdriver chucks Suitable for electric, pneumatic, and other power tools Includes a 3-piece hex screwdriver extension set Usage Insert the impact socket/socket wrench/screwdriver bit socket/screwdriver socket into the cordless power supply Designed for use with electronic drills and connecting rods