Tool and device for removal of material on surfaces

A device for the removal of surfaces to an immersion depth, comprising a base frame, a linear guide and a sliding carriage, wherein the sliding carriage is coupled via the linear guide to the base frame, characterized in that a tool for the removal of surfaces comprises a drive shaft, wherein the drive shaft is rotatably mounted at a first end, wherein a plurality of circular saw blades each having saw teeth are disposed at the drive shaft, and wherein the saw teeth of a last saw blade disposed at a second end of the drive shaft opposite of the first end project in the axial direction beyond the second end of the drive shaft wherein the saw blades are connected to the drive shaft in a rotationally fixed manner, wherein the drive shaft comprises at least one longitudinal groove and a collar, wherein spacer rings are disposed between the saw blades, and wherein the spacer rings and the saw blades have through holes and a central opening, wherein at least one lug is configured and positioned at the central openings of the spacer rings, and that the at least one lug is formed in a complementary manner to the at least one longitudinal groove of the drive shaft, and the base frame has a plurality of spacers each including a stop.