ISTAR Flexible Extension Drill Bit Holder Flex Shaft for Hand Ratchet Screwdriver Bits Quick Change Magnetic 1/4" Hex Shank Pack of 4

Features: - The extensible soft shaft is designed for ordinary hand drill and electric drill bit - The comfortable shield greatly protects your hands with freely rotary internal shaft - The hexagon drill bit holder and connection fit drills well - The great combination is suitable for ordinary hand drill and electric drill with perfect performance - Great flexibility to bend, twist and straighten even in narrow confined space - The shaft can make turns randomly. It is also good for transport and storage Useful info: 1. This product is perfect for small space operations, suitable for computer chassis, electrical cabinets, furniture, electrical appliances and other places that screwdriver can not work (Eg: narrow space, dead angle) 2. Suitable for Small wrench / Adjustable speed DC hand drill /Pneumatic screwdriver/Torque drill. 3. Something you should note is choosing the electric drill that can adjust the torque 4. It can make sure the flexible shaft work better with the drill and never damage the shaft. 5. When you used the Torque drill, please keep the torque not too high.