Cuts or grinds strut, cast iron pipe, steel, stainless steel, steel angle iron, flat steel, I-beam, conduit, rebar, threaded rod, decking, grading and checker plate. Brushless motor and system efficiency delivers the highest work per charge. Optimized tool and Hilt cordless cut-off blade combination increases speed of cut. Keyless quick change flange. Electronic break stops blade within one second.