5% Cobalt metal drill bit from the Spanish company Izar, size 11.0 mm, model R1016, designed for drilling into very hard metals such as iron, steel, and stainless steel. It features a 5% cobalt content which gives it high resistance to heat generated by friction during drilling, thereby reducing wear and increasing the tool's lifespan. It offers professional, highly stable performance with excellent penetration accuracy during heavy industrial use.