MK Morse MK24 1-1/2-Inc Advanced Edge Bi-Metal Hole Saw Higher impact resistant tooth form provides increased control of the cut while maintaining penetration into the work surface The Morse Advanced Edge balances the cutting edge for the most efficient cutting performance Applications include cutting into steel plate, round or square pipe, angle iron, wood, composite materials, even plastics are no challenge Improved control of the cutting process with excellent chip clearing capacity Ability to cut through 2x4 in one pass