Ingco DBH12004 20x450 mm SDS Plus Sverlo is an ideal tool to work with large and hard materials. With a diameter of 20 mm and 450 mm, this Sverlo shows the perfect performance in works that require especially large drilling areas and high power. This tool designed specifically to pierce concrete, stone and other hard materials, is compatible with the SDS plus system and offers a strong, durable drilling experience. With length and extensive diameter, this Sverlo provides effective and accurate drilling in both the construction and other hard work. Ingco DBH1212004 offers a perfect solution for both professionals and amateur users.