Diamond Products Core Bore CB733 - Electric 3-Speed Drill Motor 4244126 FEATURES:20 amp; 120 volt Up to 16 bit capacityBuilt-in thermal overload protectionWater connection for wet drillingIncludes on/off switch/amp meter1.250-7 threaded spindleEngine/Motor Model Motor/Engine Power Engine/Motor Make Motor RPM Part Number Catalog NumberCB733 20 amp; 120V Core Bore 345/0/1000 4244126 83983 Diamond Products Core Bore 16" CB733 - Electric 3-Speed Drill Motor 4244126