Eccentric sander series bosch pex power 270 watt disc diameter 125 mm weight 15 kg power supply mains operation speed control idle speed max 24 000 rpm max leerlaufschwingzahl 24 000 in umin function grinding features velcro fix system soft handle micro filter system operating voltage 230 v tool holder velcro fastening sanding surface 122 72 cm2 mm dimensions 281 x 111 x 152 mm