1、Robust Construction: The air pencil die grinding machine is constructed from excellent aluminum alloy material, ensuring durability and long term use to effortlessly handle various grinding needs. 2、Accurate Finish Restoration: The finish repair molding rough machining and mirror polishing capabilities allow for rapid reduction of face roughness on work molding to a mirror finish, achieving outstanding results that are irreplaceable by manual methods and significantly enhancing efficiency. 3、High Performance Accuracy Mechanism: Equipped with an accurate motor, the pneumatic pencil die grinder offers a long service life and features a stroke rate of 8000bpm, increasing grinding speed and boosting work efficiency. 4、Versatile Application: The ultrasonic grinding machine can be paired with file heads and oilstone clamps to hold different types of fiber oilstones for working on moldings. The turbine reciprocating pneumatic ultrasonic grinder, when used with various fixtures, can grip moldings, miniature ceramic fiber oilstones, files, and other grinding tools for mirror processing of various metal cutting, narrow grooves, grinding, polishing, and more. 5、Multifunctional: Particularly ideal for accurate processing of molding components, the pneumatic grinding machine is widely used with various abrasives for grinding, cutting, engraving, chamfering, deburring, polishing, and other operations on precision parts across industries. This model features a left right swing function for enhanced versatility and ease of use.