If it is necessary to polish the sealing edge, just hold sandpaper to level it. The leather edge is easy to grind into a circular arc, which is equivalent to increasing the workload after leveling for many times, and it is difficult to that the radian of the sealing edge is consistent. After polishing and leveling with sandpaper clips, it is a plane. If you grind a long straight line, the sandpaper be hot and dangerous if it is too fast. If you clamp it with sandpaper, you 't burn your hands. With sandpaper clips, sandpaper can be easily polished on a very flat plane because of the support of hard objects, and the bevel edge can be polished with bevel and wedge sandpaper clips, and the edge lines be . Using sandpaper clamp to polish can improve the utilization rate of sandpaper. The tips of bevel and wedge grinding blocks have a certain angle and radian respectively, which can grind the upper of tiny concave corners., Weight: 0.35384193051 pounds, Manufacturer: Awwertse