Micro 100 Boring Bar, manufacturer part number MBB-030100X.
Specifications: Minimum Bore Diameter: 0.0300 in; Maximum Bore Depth: 0.1000 in; Shank Diameter: 1/8 in (0.1250 in); Overall Length: 1-1/2 in (1.5000 in); Hand Direction: Right; Neck Diameter: 0.0240 in (0.60 mm); Centerline Offset: 1/64 in (0.0150 in); Projection: 0.0025 in; Tooth Width: 0.0250 in; Head Width: 0.0275 in.
Coating/Finish: AlTiN. Unit of measure: Inch.