Ceratizit 7870453233 Indexable Boring Bars; Minimum Bore Diameter (Decimal Inch): 2.5620 ; Maximum Bore Depth (Decimal Inch): 8.0000 ; Maximum Bore Depth (Inch): 8 ; Toolholder Style: MCLNR ; Tool Material: Steel ; Shank Diameter (Decimal Inch): 2.00