65mm 1/4" Hex Drive Quick-Change Chuck screwdriver bit manufacturer oem factory china

The magnetic Quick Release bit holder features an internal floating magnet and spring, making it easy to pick up and secure screws. 

The screwdriver or bit holder can be automatically ejected,making operation convenient and enhancing work efficiency.

Swap 1/4" hex bits quicly and easily with the quick-change release collar.

Quick Release extender is perfect for maintenance repairs or diy work in automotive, hardware, home and other fields.