Micro 100 Boring Bar, manufacturer part number BBL-140250X.
Specifications: Minimum Bore Diameter: 0.1520 in; Maximum Bore Depth: 1/4 in (0.2500 in); Shank Diameter: 3/16 in (0.1875 in); Overall Length: 2.0000 in; Hand Direction: Left; Neck Diameter: 0.1050 in; Split Length: 9/64 in (0.1400 in); Centerline Offset: 0.0463 in; Projection: 0.0350 in; Tooth Width: 1/8 in (0.1250 in); Corner Radius: 0.0060 in; Face Dimension: 0.0940 in.
Coating/Finish: AlTiN. Unit of measure: Inch.