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 DURTAIL 1/4" 105 Degree Right Angle Drill Attachment?-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 chucks. DURTAIL impact driver bit set - 1/4 Hex Shank Socket Adapter Impact Set Square Nut Driver Drill Bit 1/4" 3/8" 1/2" ,connect to the standard hex nut drivers, impact hole saws, spade bits and more. drill bit holders -1/4 Inch Hex Shank,Magnetic Extension Chuck Adapter ,| 60mm/ 100mm/ 150mm Length,Suitable for electric, pneumatic screwdrivers and other screwdriver bits of power tools, drill extended. Connect impact sockets/socket wrenches/sockets bits/driver sockets to power cordless. Flexible Shaft Drill Bit Extension -Length: 29cm/11.42" (Approx.); Hex Shank: 6.35mm