eBay

【Clamping Range】 0.3 - 3.2mm The Chuck is small size and light weight, which will not bring extra burden to your operation
【Quick Change】1/4 inch hex shank fits into power tools more easily and securely, easily convert your cordless power screwdriver into a drill to quickly switch between different tasks reducing the amount of time needed for a project.
【Features】These keyless drill chucks can easily turn a cordless electric screwdriver into a drill or grinder; You need to turn the tail to make adjustments to quickly switch tasks and maintain work progress; They are essential power tool accessories
【Easy to Use】This keyless drill chuck converter can go from driving to drilling in seconds, which is great for working in tight spaces
【Size】Please refer the second picture !!!

Product description

The universal jaw tightly holds drill bits in place without worry that they will become loose during application.

It is 1/4" hex shank specifications can be easily installed or removed.

The thin and 2" length allows you to reach narrow, tight spaces without problems.