Micro 100 Boring Bar, manufacturer part number BBM-040320X.
Specifications: Minimum Bore Diameter: 3.30 mm; Maximum Bore Depth: 20.00 mm; Shank Diameter: 4.00 mm; Overall Length: 50.00 mm; Hand Direction: Right; Neck Diameter: 2.26 mm; Split Length: 2.50 mm; Centerline Offset: 1.00 mm; Face Dimension: 0.08 mm; Projection: 0.75 mm; Tooth Width: 2.16 mm.
Coating/Finish: AlTiN. Unit of measure: Metric.