Features: Adopted of high quality material, exquisite workmanship, durable in use. Easy to use, not easy to rust. Suitable for processing aluminum, aluminum alloy, copper and other nonferrous metals and alloys. This set includes 10 pcs carbide inserts, so it provides convenience to replace the broken one. Good chemical stability, heat resistance, good wear resistance, high hardness. Specifications: Model: DCGT070204-AK Material: carbide Size: 12.7 * 7mm/0.5 * 0.28 inch (manual measurement, 1-3mm error) Color: silver Quantity: 10 PCS Blade explanation: D = blade shape, 55 degree diamond C= clearance angle is 7 degrees G = blade tolerance(You can ignore it) T = symbol of the hole slot(You can ignore it) 07 = cutting edge is 7mm 02= the blade thickness, 02=2.38mm 04 =R degree of the sharp Angle of the blade02=R0.2, 04=R0.4) AK = groove type of blade H01 = processing materials Packaging: plastic box(yellow, red, blue random) Package Included: 10 x CNC Carbide Inserts Package List 1Adopted of high quality carbide material, exquisite workmanship, durable in use 2Easy to use, not easy to rust 3Suitable for processing aluminum, aluminum alloy, copper and other nonferrous metals and alloys 4This set includes 10 pcs carbide inserts, so it provides convenience to replace the broken one 5Good chemical stability, heat resistance, good wear resistance, high hardness