The Alpen 5.0mm x 400mm Tungsten Carbide Multi Purpose Drill is designed for precision rotary drilling across various materials. Brand : Alpen Material : Tungsten Carbide Size : 5.0mm x 400mm Range of Application : For precision rotary drilling in tiles, natural stone, metal, wood, and plastics. Extra Long Design : Offers more options when installing windows; capable of drilling through plastics, metal, and masonry in one work step.