Bestgle 12-Inch Long Magnetic Screwdriver Bit Holder 1/4 Inch Hex Shank Quick Change Bit Extension Bar for Screws Nuts Drill Hand-held Driver

• Made of carbon steel which built in strong permanent magnet(the hole part) for strength and durability.
• 1/4" quick-change hex shanks fit all power drills, 1/4" impact drivers and hand-held drivers.
• Equipped with a backward locking device which is inserted into the batch head to release the automatic locking device and is not easy to fall.
• It can be flexibly used in situation of narrow space, extensions in lengths 300mm (12in) for superior access for hard-to-reach fasteners.
• Suitable for electric drills, screwdrivers, wind batches, etc., to extend the use of various types of bits and screwdrivers. (Only for Single Head Hex Drill）

Features: Quick change and release system allows you to quickly install, lock and unlock the bit easily. High hardness, non-slip, large torque, long life and durable. Simple operation, easy to use and fast perforated. Extend all kinds of screwdriver bits, screwdriver head conversion uses. Kindly Note: Only the bottom of the hole part is magnetic, the hex shank is NOT MAGNETIC! Only for Single Head Hex Drill. Specifications: Material: Carbon steel Shank diameter: 6.35mm/ 1/4 inch Length: 300mm/12inch Package Included: 1 x Bit Holder