WMTC020N00CM08 M433B aka 3543066, 583-170-48,583-170 M433B Widia /Manchester 2mm width of cut x .005″corner radius cutoff insert zero lead. Insert for WMTC system is size 2 (.079″-.094″). This insert has a parallel edge design to give you better surface finishes in Stainless Steel, Titanium, and other exotic materials.