350*50mm Belt Sander Desktop Multifunctional Engraving Machine, Table Grinder Grinding Woodworking Metal Jade Polishing Machine ,Powerhouse Performance

10mm thick threaded rod with 4mm.Thickness wear-resistant transmission wheel Practical functions such as clamping diameter 1.5-13mm,extended drilling, cutting and grinding high performance low vibration.750W high power copper wire motor Rotate right stepless speed regulation.Maximum speed 1000R/min Simple and freely adjustable backingFeel free to adjust the abrasive and The size of the force area of the bett