Metal edge milling machine for chamfer heights up to 10 mm for weld seam preparation. One-touch controller with patented, tool-free milling depth adjustment in 0.1 mm increments; detent points for short setting times to prevent unintentional adjustment of the milling depth while working. Precise adjustment of the bevel angle directly via the guide plates. Universal milling head with three carbide inserts for all bevel angles from 0 to 90 degrees. Controlled working due to large-surface guide plates. Stop roller for guiding on pipes for easy weld seam preparation. Tool-free adjustable handle for safe and even guidance. Metabo Marathon motor with patented dust protection for long service life. Vario-Constamatic (VC) solid shaft electronics with adjusting wheel for working at material-specific speeds that remain virtually constant under load. Electronic overload protection, soft start, and restart protection. Protection of the user by lateral plates for the discharge of the chips.