Our hand-operated grinder is designed with a larger width, height and thickness and morestable and reliable performance with smooth shaking experience and light weight. The V3 lowvibration part is the original Taiwan spindle unit, which is also equipped with a two-axis andone-meter grating scale. The grinding accuracy is <0.002mm. The left and right sides of thePSG-618 series products are driven by Japanese imported steel wire ropes, thereby ensuringdurability. The left and right sides of the PSG-450 series products are driven by synchronousbelts with a lighter weight.