Review on 🔧 NEIKO 20753A Keyless Chuck Conversion Adapter: Transform Cordless Screwdrivers into Powerful Drills in Seconds! For Round-Shank Drill Bits, No Keys Needed for Tightening with 1/4” Hex Shank. by Trey Harvey

You have to remember that you mustn't open too much with this cartridge, otherwise it will fall apart. = 4th photo. There are no flats on the shank of the threaded part, to tighten the wrench for maximum tightening you need a vise or use a vise = hand tightening comes loose quickly. It's scaled down - functional design and quality. (Made in Taiwan) You can see the wobble when you turn it, and while it's not REALLY bad, the drilling isn't entirely accurate or true. For this price you can not expect quality and accuracy. It's much smaller than my full size DeWalt chuck, which stops on open/close without falling apart. I've had it for several years now with no problems. Of course, DeWalt costs about twice as much, but it's worth it.