GUNPRIMER R-GR-P1 RASER PLUS Tempered Glass File (Original Edition 01) RASER PLUS specializes in gate (nub mark) removal using its proprietary Super-Nano Technology. This advanced technique delivers powerful sanding without leaving any surface scratches, making it an essential tool for complete gate removal. FEATURES: Rounded safe edges keep your model safe from scratches Raser plus Super-Nano Technology Specialized tool for nub mark removal Leaves no scratches, which shortens the sanding process