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Comparison : Item # TGP50R2.0 - r 0.15 - QM4, 2.0 Millimeter (mm) Dimension e Cutting Insert with 6 Degree Radius
Item # TGP50R3.0 - r 0.2 - QM4, 3.0 Millimeter (mm) Dimension e Cutting Insert with 6 Degree Radius