If you only cut softwoods and are happy with the variety of sizes Milwaukee offers, this set is a good buy. When you're cutting hardwood, MDF, OSB, Hardie board, fiberglass, plaster, drywall, and other hard and abrasive building materials, Blue Boar's carbide cutters perform much better and last longer. BLUE BOAR TSF12 Set of 12 Heavy Duty Carbide Bits - 2-1/4" depth of cut. Cut 10 times faster and use 1/40 battery power. Cordless drills cut three times larger holes than bi-metal drills. Deep…