• TH MAX drilling crown model with a diameter of 40 mm and a length of 550 mm, from the Fischer brand. • Designed to drill tunnels in construction materials such as concrete, brick, stone, and similar materials. • Ideal for electrical installations, plumbing, ventilation, and other construction works that require large diameter and length drilling. • Made with high-quality materials to ensure durability and performance in demanding applications. • Compatible with standard drilling chucks for easy installation and use.