Features: carbide tips, exquisite workmanship, durable to use.Easy to use, not easy to rust.Suitable for processing stainless steel and steel components.This set includes 10 carbide inserts to help you replace your broken ones.Good chemical stability, heat resistance, good wear resistance, high hardnessSpecifications: Model: 11IR A60 Material: Carbide Size: 9.6 * 3.6 * 2.5mm / 0.38 x 0.14 x 0.098 inch (1-3 mm error manual measurement) Color: Gold Quantity: 10 PC Blade Description: 1 = Blade Size (one side of the blade) IR = Internal Threaded Left Cutter A60 = Degree General Package: Plastic Box (Yellow, Red and Blue Random) Package Includes: 10 x CNC Carbide Tips Inserts