3 Pcs Self-locking Drill Bit Holder 50mm, 1/4 Inch Hex Shank Extension Rod Screw
- Built-in stable lock and high-efficiency spring, easy to lock the screwdriver bit or drill bit more tightly.
- Fast quick release system, automatically pop up batch head, help you quickly install and change screwdriver bits, improve work efficiency.
- Hexagonal Shank Quick Coupling, Fit power drills chuck, 1/4" impact drivers and hand-held drivers. Used for screwdriver bits, drill, batch head and other tools for the conversion.
- Please Note: These drill bit extender holders are not magnetic! Only suitable for single hex shank drill bit, NOT suitable for double head screwdriver bits!