Portable size, light weight, pen-shaped design, convenient to use with one hand. 65,000RPM high-speed rotation, adapt to high-speed ' machining. Rear air exhaust to prevent the scraps flying or scattering, low noise. Easy to use, easy to assemble and disassemble. Has a extremely flexible hose with an abrasion guard that allows you to reach' the most difficult areas. It's perfect for cleaning and polishing of jewelry, porting cyline heads, dies or any hobby and craft uses., Weight: 1.763698096 Pounds, Manufacturer: Uxsjakjsd