... , 240MM HEX&SDS Extension Rod,Polit drill,drift key. core drill kit Diamond Core Drill Kit 5 pcs dry core drill kit in BMCincludes ... : 38,52,65,117,127Core drill,SDS&HEX adaptor,240MM HEX&SDS Extension Rod,Polit ... drill,drift key Diamond core drills are suitable for DRY drilling breeze ...