136-8720, Pramet, Pramet TN M EXT Series Lathe Insert, 3.47mm Height, 90° Approach, 16.5mm Length, Brand Pramet, Lathe Part Lathe Insert, Approach Angle 90°, Series TN M EXT Pramet TN M EXT Series Lathe Insert, 3.47mm Height, 90° Approach, 16.5mm Length