1、The angle is adjustable. 2、High stability, low vibrationRate, low energy consumptions and compact size. 3、HeadBall bearings are sturdy and wear-resistant, and the sanding belt does not produce eccentricity during rotation, making it difficult for the sanding belt to displacement. 4、The bottom guide rail and front mudguard can apply power to the machine during polishing, making it lesslikely to deviate from the polishing frame and the sand belt lesslikely to displacement. 5、Metal trigger switch design, not easily fatigued after long-term use, knurling handle, sweat resistant and slip resistant. 6、Equipped with a filter inlet to prevents dust from entering. 7、Isolation barrier to prevents sparks from splashing during polishing. 8、Made of fine quality alloy material with fine workmanship, rust and corrosion resistance, wear-resistant for long lifespan.