Drill Chuck+SDS Adaptor 13MM For Makita Bosch AEG Ryobi Hitachi Dewalt Worx AU
DRILL ALL STEEL CHUCK & SDS Adaptor 13mm 1/2x20 UNF. 1/2" x 20 UNF Female Mount + SDS Adaptor. with a hole in the rear for counterclockwise screw to lock it in the SDS adaptor shaft. 1.5 - 13mm Capacity.