Micro 100 Boring Bar, manufacturer part number BB-180750X.
Specifications: Minimum Bore Diameter: 0.1960 in (5.00 mm); Maximum Bore Depth: 3/4 in (0.7500 in); Shank Diameter: 1/4 in (0.2500 in); Overall Length: 2-1/2 in (2.5000 in); Hand Direction: Right; Neck Diameter: 0.1350 in; Centerline Offset: 0.0550 in; Face Dimension: 1/8 in (0.1250 in); Projection: 0.0450 in; Tooth Width: 0.1500 in; Split Length: 0.1750 in; Corner Radius: 0.0060 in.
Coating/Finish: AlTiN. Unit of measure: Inch.