Top plate machined from one piece of steel, watertight construction. Nominal holding force 160 N/cm². Magnetic force distribution to the edges of the system. Minimal residual magnetism after switch-off. Cross poles, polar pitch 11 mm steel + 4 mm epoxy or brass. Grinding limit 10 mm, references on the plane indicate replacement intervals. Supplied with side and back stop, clamp set and Allen key. Use Drilling, planing, heavy grinding.