Features MATERIAL: Made of high quality carbide skillful lathe turning tools with exquisite craftsmanship. With high strength, high toughness, stable and durable. HIGH QUALITY: CNC carbide inserts are made of metal surface finish, not easy to rust. It has good wear resistance and good chemical stability. APPLICABILITY: CNC inserts are easy to use and suitable for machining aluminium, aluminium alloys, copper and other non-ferrous metals and alloys. SUFFICIENT QUANTITY: The collection includes 10 carbide inserts, so broken carbide can be easily replaced. TIP: A correct cutting action reduces cutting forces and prolongs tool life. Specifications:Model: DCGT070204-AKMaterial: carbideSize: 12.7 * 7mm/0.5 * 0.28 inch (manual measurement, 1-3mm error)Color: silverQuantity: 10 PCSBlade explanation: D = blade shape, 55 degree diamondC= clearance angle is 7 degreesG = blade tolerance(You can ignore it)T = symbol of the hole slot(You can ignore it)07 = cutting edge is 7mm02= the blade thickness, 02=2.38mm04 =R degree of the sharp Angle of the blade（02=R0.2, 04=R0.4)AK = groove type of bladeH01 = processing materials Packaging: plastic box(yellow, red, blue  random) Package Included:10 x CNC Carbide Inserts Package List