The hitachi sv12sd 12 sheet orbital sander uses a direct drive system for effortless low vibration sanding with a 24mm orbit diameter for a swirl free finish the all ball bearing construction makes flush sanding possible on three sides utilises through base dust extraction for maximum dust extraction and a clean working environment supplied with 1 x dust bag and 1 x sanding paper specification input power 300 watt no load speed 10000min oscillating diameter 24mm base plate 114 x 228mm weight 28k