15.0 Amp/5.3 HP (maximum motor HP) motor provides high power and speed for metal and concrete cutting Epoxy coated field and armature provide long service life against abrasion from debris Adjustable guard for different cutting depths mounted at two points to maintain proper alignment Rotation directs sparks and debris towards the front of the tool and helps prevent climbing in the cut Dust sealed switch protects against dust ingestion for longer switch life Automatic turn-off brushes shut down the tool when brushes need to be changed to avoid tool damage 2 wire double insulated 'S' jacket rubber cord provides increased durability and life in hot and cold climates Spindle lock button for fast, easy wheel changing.