The Total TAC430901 is a high-quality Tungsten Carbide Tipped (TCT) drill bit designed for making clean, accurate, and precise holes in various materials. The bit has a diameter of 90 mm, making it suitable for drilling large holes. The TCT technology allows the bit to cut through tough materials such as masonry, and concrete with ease and precision. The chrome-plated finish of the bit enhances its durability and corrosion resistance, making it long-lasting.