Orbital sander series bosch pss power 250 watt weight 19 kg dust extraction power supply mains operation max leerlaufschwingzahl 24 000 in umin function grinding operating voltage 230 v tool holder velcro fastening sanding surface 115 x 230 mm included in delivery carry case orbital stroke rate 14000 24000 rpm oscillating circuit diameter 1 8 mm clamping system 115 280 mm bosch micro filter velcro type fastening connection for dust extraction