The ZNC EDM 250 from Knuth Machine Tools is an entry-level ram EDM with NC-controlled feed on the Z axis. Its compact design is said to be suitable for machining small workpieces, and the rigid machine base and linear scales in all axes helps to ensure precision. The EDM is said to be low-maintenance and efficient, while its user-friendly design eases programming. The machine is equipped with a flame sensor and fire extinguishing system. Additional options including adjustable electrode holders and magnetic clamping plates are also available.