Description:Multifunction:1 Pack inculde 4 different most useful tools,used in the installation of pneumatic screwdriver, electric screwdriver,pneumatic drill, manual screwdriver and other installation for the hexagonal tool .It is a good accessory for conversion.High Quality:Super Strong Heat Treated Chrome Vanadium Steel for Normal & Impact Drivers. Durable,Lasting and easy to use，Lightweight, fast,connect to the standard hex nut drivers, impact hole saws, spade bits and moreApplication:105°Angle 1/4 inch Hex Drill Bit Screwdriver Socket Holder Adaptor,which is quick change compatible and fits most power drill,rechargeable drill, manual wrench and driver chuckApplication:1/4 Inch Hex Shank Magnetic Extension Chuck Adapter Quick Release Bar Socket.