5% cobalt metal drill bit from the Spanish company Izar, size 8.5 mm, model R1016, designed for drilling in extremely hard metals such as iron, steel, and stainless steel. It features a 5% cobalt content that gives it high resistance to heat generated by friction during drilling, which reduces wear and extends the tool's lifespan. It provides professional performance with high penetration accuracy and excellent stability during heavy use in workshops and factories.