QISF 300mm Long Bit Holder, 1/4 Inch Hex Shank Quick Release Bar Socket Screwdriver Bit Extender Holder, Self-Locking Extension Drill Chuck Adapter Conversion Tool

• 【Feature】- 300mm/ 12 inch in length, Flexibly used in the situation of narrow space for superior access for hard-to-reach fasteners.
• 【Self-locking】- Interface has a locking mechanism（non-magnetic），Equipped with a backward locking device that is inserted into the batch head to release the automatic locking device, make it easy to pop up batch head automatically, fast and quick release ensured and greatly improve work efficiency.
• 【Widely Used】- Suitable for nut, batch head, pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and screwdriver head conversion uses; They are also ideal for DIY work, household maintenance, and most general repairs.
• 【Quick Release】- Interface has a locking mechanism for one-handed quick release. Press down can release the ejection bit, realizing quick replacement in one second.
• 【Note】- This long bit holder Only suitable for Single Head Hex Shank Drill Bits, NOT suitable for double head drill bits!
• 【Package】- 1 X 12 inch screwdriver bit holders

300mm/ 12 inch in length, Flexibly used in the situation of narrow space for superior access for hard-to-reach fasteners.