Precision-drilled entries accommodate six different electrode sizes Four-angle (15, 18, 22.5 and 30) grinding capabilities Robust industrial-grade Metabo motor Lightweight body eases transport and operator handlingHigh-quality, dual-sided and diamond-coated grinding wheels Standard and rough grinding wheels provide proper grind finish for the given tungsten diameter, cut up to 532(4.0 mm) and precisely face for welding at elevated amperagesElectrode holder eases rotation and reduces the potential for flat spots