From the Manufacturer
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
From the Manufacturer
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