Power surges and lightning strikes are not the only things that can damage your home workshop equipment. Simply switching your workshop tools on and off can create electrical imbalances that could cause cumulative, permanent damage to your valuable equipment. The Belkin SurgeMaster with metal case provides clean, safe power from 10 grounded outlets, for workshop and other electronic devices. The Belkin name assures you of top-quality construction, inside and out. With a rugged metal casing surrounding its advanced elements and superior circuitry, the Belkin SurgeMaster with metal case offers the most complete protection available from power surges, AC contamination and spikes.