The N-380/N-381 Nexact ceramic linear motor actuators from PI (Physik Instrumente) LP are based on the Piezo Walk principle and replace classical leadscrew actuators to combine high forces and long travel ranges with subnanometer resolution in a small package. The actuators feature 1-kg push-and-pull force, 30-mm travel and 10-mm/s speed. The self-locking, stiff design and 1/2-in. front or clamp mounts offer nonmagnetic and vacuum-compatible options. Applications include nano- and biotechnology, microscopy and optics, laser tuning, medical technology, and micro- and nanomanipulation.