[24] 172877 - 2 1/8 in. diameter 173550 - 2 1/2 in. diameter 172878 - 3 3/8 in. diameter
[25] 172879 Drive Arbor, Hole Saw
Many dealers have indicated they have had dif-
ficulty obtaining appropriate size hole saws for
installing OMC instruments. These hole
saws are used with the drive arbor for the
majority of installations of OMC instruments.
