I HAVE DELTA DISC; THIS TIME HOWEVER I WOULD GO WITH THE OLSON 1/2" BAND SAW WHICH SHOULD SERVE AS MOST OTHER SIZES. THE COMPANY THAT SHIPPED THE AIRPRO BLADE HAS IT PROFESSIONALLY PACKAGED AND ARRIVES IN EXCELLENT CONDITION. DELTA WAS POORLY PACKAGED AND ARRIVAL LOOKING LIKE NO CARE IN THE PACKAGING THE OLSON BLADE LOOKS STRONGER THAN THE DELTA BLADE MAKING THE BUSINESS MORE PROFITABLE FOR OLSON WAS THE COST THE SAME PRODUCT WAS CHEAPER THAN THE DELTA BLADE SHIPPED.