Saipor 3pcs Quick Release Magnetic Screwdriver Bits Holder Adapter Change Socket Screw Driver Drill Bit Extension Bar 1/4 Hex Shank for Electric Screwdrivers, Hand held and Power

Made of chrome vanadium steel (CR-V) , it can achieve durability and support through daily use to quickly switch tasks and keep working smoothly. 3pcs hex bit extension with length: 2" (60mm), 4" (100mm), 6" (150mm). 1/4" hex magnetic tip fits all standard hex shank bits Built-have magnetic, self-lock mechanism and quick release system allows you to quickly install and can hold bits firmly, non-slip Suitable for electric, pneumatic screwdrivers, hand-held drivers or power drill. Great for working with Hard to Reach Screws Extend all kinds of 1/4" screwdriver bits, screwdriver head conversion use. NOT for double head screw driver bit!, Manufacturer: Saipor