I ORDERED THIS DISC BECAUSE THEY WERE KNOWN AS A "WOOD CUT DISC". THEY ARE NOT FOR CUTTING WOOD. WOODEN DISCS HAVE 3 TO 10 TEETH PER INCH. THESE KNIVES HAVE 24 TEETH PER INCH AND ARE SPECIFIED ON THE PACKAGING FOR PLASTIC, ALLOY. RETURNED THE DAY AFTER RECEIPT. DO NOT BUY THESE IF YOU ARE LOOKING FOR A WOOD CUTTER!