Features: Adopted of high quality carbide tips, exquisite workmanship, has high strength, high toughness, stable and durable in use. This model carbide inserts is suitable for semi-finishing steel . This set includes 10 pcs carbide inserts, so it provides convenience to replace the broken one. The good combination of the ductile substrate of high safe edge and MTTiCN, thick Al2O3, TiN coating. Metal surface finishing, good wear resistance and good chemical stability. Correct cutting action, lower cutting force and prolong tool life. Specifications: Model: CCMT060204-HM YBC251 Material: carbide Size: 10 x 6 x 2.5mm/0.39 x 0.24 x 0.098inch Weight: 20g Color: gold Quantity: 10 PCS Blade C = blade shape, C is 80 degrees diamond C = clearance angle is 7 degrees( with clearance angle is single blade) M = blade tolerance(You can ignore it) T = symbol of the hole slot(You can ignore it) 06 = cutting edge is 6mm 02= the blade thickness is 2.38 mm 04 = R0.4 precision milling HM = the slot type of the blade YBC251 = processing material (suitable for processing semi-steel) Packaging: plastic box(yellow, red, blue random) Package Included: 10 x CNC Carbide Tips Inserts Note: Please allow 1-3mm error due to manual measurement. Thanks for your understanding.