Seco 00076044 Milling Cassettes, HP 1206/SPE.1906ZZTR Insert, Face Mill Indexable Mill, Insert Compatibility: HPMN 1206ZETL-D25/HPMN 1206ZETR-D25/HPMN 1206ZETR-MD20/HPMR 1206ZETR-M17/HPMR 1206ZETR-ME15/SPEN 1906ZZTR-D25/SPEN 1906ZZTR-MD20/SPER 1906ZZTR-M17