304 Stainless Steel Ice Auger Drill Adapter Fits Drill Chuck: 1/2" Plus and 1/4" Hole for 1/4"-20 Wing Bolts & Locking Screws - Amazon.com
Amazon.com: AIFELYTAN Two Stage Auger Adapter Ice Auger Adapter Precision Durable 303 Stainless Steel, for Auger Drill : Tools & Home Improvement
Nordic Legend Hardware Lite E-Drill - Cordless Nylon Ice Drill Auger with Centering Point Blade, 6" Ice Auger Bit with Drill Adapter & Top Plate for Ice Fishing - Amazon.com