Delta sander series dewalt d26xxx power 300 watt weight 13 kg dust extraction power supply mains operation idle speed max 22 000 rpm max leerlaufschwingzahl 44 000 in umin function grinding features orbital frequency regulation operating voltage 230 v tool holder velcro fastening sanding surface ber eck 93 mm included in delivery filter sanding surface 93 mm over corner orbit diameter 1 8 mm with dust cartridge