Suitable for enthusiasts, home renovators, and woodworking professionals seeking tools for drilling in metal, wood, and other materials The 1 / 4inch shanks ensures compatibility for most standard tools, makings it easy to use Achieve drilling in narrow areas with the eccentric drill bit, ensuring efficient and accurate The masonry drill bit is more accurate, sharps, antirust, wear resistant and drill smooth and durability The drill bit is easy to drill ceramic tiles, glass, marble, brick, concrete, wood, Manufacturer: XuQiZZpp