Proxxon 38704 Heavy Duty Transformer NG 5/E Workstation offers three polarized sockets for Micromot machines Unit features one pair of sockets for standard banana plugs with 5/32 inch (4 millimeter) diameter A PTC element guarantees protection against overload, the plugged in machine will not restart automatically Foldable tool rest keeps Micromot tool ready for being used and standing by safely Tool and accessories are not included.