Product name:250W 90000rpm best glass beads polishing machine in bahrain;Rotating speed:MAX 6,0000/90,000RPM;Input:220V/110V(50/60HZ);Output:36V;Max Torque:7-8N.CM;Size:19*17.5*8.8cm;Weight:About 3.4+0.391Kgs;The machine type:Handheld miniature grinding