MK Morse AV04E Master Cobalt Bi-Metal Hole Saw Electricians Kit
MK Morse Master cobalt Bi-Metal Hole Saw Pipe and conduit entrance sizes through 2".  Saws (1 each): 7/8", 1-1/8", 1-3/8", 1-3/4", 2", 2-1/2". Arbors (1 each): M34, M45P, Adaptor Nut (1): M44NH01