3pcs Hex Shank Socket Bit Adapter for 1/4" 3/8" 1/2" Driver Drill Bits - Walmart.com
Drill Polishing Adapter Bit - Griot's Garage
Amazon.com: Garden Auger Power Drill Adapter fits Corded Drill and Cordless Drill, SDS Plus to 1/2-Inch(M13 x 15mm) Thread Keyless Drill Chuck Adapter Round Shank for Impact Driver : Tools & Home
Drill Adapter Chuck with 3/32" Shank for Jewelers Handpiece