Hole Saw Drill Bit Kit 16pc w/ Mandrels Saws w/ Case Wood Plastic Sheet Metal SET INCLUDES: 12 PC. CARBON STEEL HEAT TREATED HOLE SAWS. 2 PC. MANDRILS 1 PC. HEX KEY WRENCH 1 PC. INSTALLATION PLATE. SIZE: 3/4'', 7/8'', 1-1/8'', 1-1/4'', 1-1/2'', 1-3/4'', 2'', 2-1/2'', 3'', 3-1/2'', 4'', 5''.