42312 - Ring #12, Grinder (Hobart)
42322 - Ring #22, Grinder (Hobart)
42332 - Ring #32, Grinder (Hobart O/S)
42333 - Ring #32, Grinder (Hobart N/S)
42442 - Ring, #32/42, Grinder (Hollymatic)
42452 - Ring, #52, Grinder (Hollymatic)
42532 - Ring, #32, Grinder (Butcher Boy)
42552 - Ring, #52, Grinder (Butcher Boy)
42642 - Ring, #32, Grinder (Biro)
42652 - Ring, #52, Grinder (Biro)
