1. suitable for plate glass cutting, knife blade is carried out through a special spark round of mirror finishing, so cutting lines are particularly beautiful. 2. key cutting around 3mm-12mm of glass panels. 3. blade wheel oil glass cutter, when used according to their habits, choose the knife blade. 4. when cutting glass, knife plate ruler Ruler parallel to movement. Curve cutting parallel to the curve, pressures up to 2 kg. 5. when cutting glass, just hear the crisp sound of cutting. 6. the rough surface and matte glass do not use. For your glass cutter to smooth a permanent job, please do not hit vibrating glass with a knife. 7. blade impact is strictly prohibited, please do not cut when cutting glass.