Quick Change Bit Holder 1/4 Inch Hex Shank Drill Bit Extension Chuck Adapter Connector Built-in Spring Quick to Install and Release

Features:
Made of premium quality alloy steel material.
With 3 styles for option, meets your various needs.
1/4 inch hex shank snaps easily into the power screwdriver.
Built-in spring, quick to install and release.
Conveniently convert your power screwdriver into drill.