Electronic speed control ensures that a consistent finish is achieved in all grades of timber, aluminium and plastics since the full wave electronic control ensures the selected speed is maintained under any load. Soft start to eliminate any small initial movement that might misalign the cutter. Lightweight and compact design increases ease of use as the cutter remains visible at all times for error free routing. Two column precision guide for plunging accuracy in a high quality aluminium housing with phosphor bronze bushing so that carefully controlled plunge cuts can be made. 3 stage depth stop adjustment enables recesses of various depths to be machined in one operation without time consuming setting up. Spindle lock mechanism for quick and easy cutter changes with a single spanner.