Morse MHS08E (177757), 13 piece, electrician hole saw kit contains bimetal hole saw diameters that allow for conduit pass through and electrical fitting installation. Kit includes 7/8, 1-1/8, 1-3/8, 1-3/4, 2, 2-1/2, 3, 3-5/8, 4-1/8, and 4-1/2 diameter, one (1) MA24, 1/4 shank (1/2-20) and MA34, 3/8 shank (1/2-20) standard arbor, one (1) MA45PS, 1/2 shank (5/8-18) pin drive arbor, and carrying case.