BIG POWER STEPPER DRIVING MACHINE, SUITABLE FOR ADVERTISEMENT LINE ENGRAVING AND CUTTING. SUPER QUALITY AND GOOD PRICE Features: 1) STR series routers ... acrylic, men-made high-density plate, bakelite sheet, physical and chemical plate, PVC, PP, copper and aluminum 3) High speed, high efficiency, the average ... min 7) Power supply: 220V / 50Hz 8) Weight: 900kg Sell High-density Plate-engraving Machine