For use with the following Midmark / Ritter M9 and M11 models
M9 001 thru -019 with Serial # prefixes beginning with CZ, DA, DB, DX, DY, FD & OM
M11 01 thru -019 with Serial # prefixes ES, ET, FP, FR & GB
M11D 001 thru -019 with Serial # prefixes GC & GD
CROSS REFERENCE NUMBERS:
MIDMARK-RITTER OEM part # 002-0654-00