Cordless Buffer Polisher – Brushless Motor, 21V This Cordless Buffer Polisher is designed for efficient polishing, buffing, and light grinding tasks with maximum convenience and control. Powered by a high-performance brushless motor, it delivers strong, consistent output while reducing heat, noise, and maintenance. Equipped with a 21V lithium battery (1.5Ah), the polisher offers reliable cordless operation and freedom of movement, making it ideal for automotive detailing, metal finishing, and household maintenance. The variable no-load speed from 2,500 to 5,000 r/min allows precise adjustment for different materials and applications. With a 100mm (4") grinding wheel diameter and 10mm disc size, this compact yet powerful tool ensures smooth, even results while remaining easy to handle during extended use. Key Features: High-efficiency brushless motor Powerful 400W rated output 21V 1.5Ah lithium battery for cordless convenience speed: 2,500–5,000 r/min 100mm (4") grinding wheel diameter Lightweight, ergonomic design for comfortable operation