Unique Twin Blade System -Blades revolving in opposite directions give an equal and opposite force eliminating kickback. Universal cutting: cuts wood, metal, plastic, rubber and composite materials. Almost no sparks.
Blade diameter 125mm - Max cutting depth 30mm
https://www.youtube.com/watch?v=vG5HS4_sX0k
https://www.youtube.com/watch?v=CTmrNlatfog