"4+1" pcs Mini Tool Holder And  Boring Bar SetFeatures:● Use carbide inserts TCMT21.5 (Page 52-53)● Each set includes 1 pc of each STCNR, STACR, STECN, STDCR tool holder and 1 pc of the boring bar S-STFCR,     1 trox key + 5 ps extra spare screws inserts TCMT21.5 installed on each of these tool holders● Packed in quality storage caseItemDescription2386-0038Shank Size: 3/8",Tool Holder: STNCR06-2, STACR06-2, STECN06-2, STDCR06-2, S06H-STFCR2, Insert: TCMT21.5, Insert Screw: M2.5x62386-0012Shank Size: 1/2",Tool Holder: STNCR08-2J, STACR08-2J, STECN08-2J, STDCR08-2J, S08Q-STFCR2, Insert: TCMT21.5, Insert Screw: M2.5x8

Insert(3300-0109)ItemDescription3300-0109ONHU080608-M   carbide insert PVD Coated Carbide Garde BPG20B, for steel/stainless steel   cutting3300-0110ONHU080608-M   carbide insert PVD Coated Carbide Garde BPG108, for cast iron cutting3300-4546Lock   Screw: M5x12

Self-Lock Carbide Cut-Off Inserts, 0 Degree Angle, Tin CoatedFeatures:● For cut-off and grooving, Single-sided notation,    TiN coated for extra strength at higher speeds.● Grade C-6 is a general purpose grade for cutting all    steel and stainless steel.ItemInsert #Width2403-2003GTN-20.087"2403-2004GTN-30.120"2403-2005GTN-40.160"2403-2006GTN-50.200"2403-2007GTN-60.250"