Feature: 1. Completely grinding makes the service life of the milling cutter powerfully guaranteed, and the cutting sharpness has a longer service life. 2. This end mill uses tungsten steel base material, which has higher wear resistance and strength. 3. This product is an exclusive milling cutter for high‑strength high‑speed cutting applications. 4. The end cutting mill is exclusive for high‑strength high‑speed cutting applications. 5. Made of ultra‑fine carbide materials can ensure its engraving and milling performance. Specification: Item Type: Metal End Mill Material: Tungsten steel Model: 4 x 100 x 4T Blade Length: Approx. 10mm / 0.4in Shank Diameter: Approx. 4mm / 0.2in Blade Diameter: Approx. 4mm / 0.2in Total Length: Approx. 100mm / 3.9in Package List:2 x Milling Cutter