12 inch Length Quick Release Screwdriver Drill Bit Holder Extension Bar 1/4" Hex Shank Quick Change Extension Rod Socket for Screws Nuts Drill Hand-held Driver

Features:100% brand new and high quality.Must-have accessory set for power drills and impact driversQuick change and release system allows you to quickly install, lock and unlock the bit easilyHigh 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.Specifications:*Color: As Pictures Show*Material: Carbon steel*Shank diameter: 1/4 inch*Length: 300mm/11.8inch

• Manufactured from carbon steel for strength and durability
• 1/4" quick-change hex shanks fit all power drills, 1/4" impact drivers and hand-held drivers
• The black part is 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 (11.8in) 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