Reciprocating File Polishing Electromechanical Ultrasonic Die Grinder And Polishing Machine Tool ,Versatile

3MM high hardness chuck, wear-resistant. Equipped with sponge anti-vibration cover, work more comfortable. No heat, high efficiency drive,high speed bearing with long service life. It can use different jig for grinding operation, can clamping file or the grinding tools, such as the grooves in the or hardware products, R Angle and other manual processing. application for polishing, processing, Die casting to remove material overflow, remove burrs.