Features Adopted of high-quality carbide tips, exquisite workmanship, durable in use. Good chemical stability, heat resistance, good wear resistance, high hardness. It is suitable for machining stainless steel casting and hardness. This set contains 10 pieces of carbide inserts, so the broken one can be replaced conveniently. Easy to use, not easy to rust. Specifications: Model: 3/8 inch 16ER AG60. Material: carbide Size: 16 x 16 mm / 0.63 x 0.63 inches (manual measurement, 1-3 mm error). Colour: gold. Quantity: pack of 10. Applicable to: rotary tool 16ER AG60Blade explanation: 16 = the blade size (the length of one side of the blade) ER = outer screw left cutter. AG60 = 60 degrees general. Packaging: plastic box (yellow, red, blue random) Box contents: 10 x CNC carbide tip inserts Package List