Contains 4 different useful tools which will be used in installing pneumatic screwdriver, electric screwdriver, pneumatic drill, hand screwdriver and other installations for the hex tool < / li> 1/4 " bit 105 degrees at right angles? -105 ° Angle 1/4 inch Hex Drill Bit Screwdriver Socket holder adapter which is quick release compatible and fits most electric drills, rechargeable drills, manual wrenches and screwdriver chucks. Impact Wrench Set - 1/4 Hex Shank Socket Adapter Square Nut Drill Set 1/4 " 3/8 " 1/2 " Square Nut Drill, Connect to Standard Hex Screwdrivers, Pothole saws, flat bits and more. 1/4 Inch Hex Shank Drill Holder, Magnetic Extension Chuck Adapter, 60mm / 100mm / 150mm length, suitable for electric, pneumatic and other power tool screwdrivers, extended drill. Connect the plugs / socket wrenches / sockets / pilot plugs to the wireless network. Extension length of flexible shaft drill bit: 29cm (about 11.42 "); Hex Shank: 6.35mm (1/4 "); Hexagon socket head: 6.35 mm