Makita P-18150 SDS-Plus Adapter with Automatic Chuck - Amazon.com
HA3JAW | Keyless three-jaw Chuck with SDS-plus® Shank | Bosch Power Tools
SDS-PLUS to 3-Jaw 1/2" Chuck Adapter - Greschlers Hardware
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 - Yahoo Shopping