The AST-400E's durable molded rubber construction ensures long-lasting performance, while its 5/16"-24 thread arbor ensures seamless compatibility with a variety of power tools, including air drills and cordless drills (maximum 4000 RPM). Its compact 3.5" diameter allows for precise work in tight spaces. Unlike harsh chemical strippers, the ASTRO Pneumatic AST-400E offers a safe and environmentally friendly alternative, protecting the underlying paintwork. This ensures your fleet vehicles maintain their aesthetic appeal and resale value. Improve operational efficiency, reduce labor costs, and maintain a professional image for your fleet by investing in the ASTRO Pneumatic AST-400E Smart Eraser Pad. Its exceptional performance and ease of use make it an indispensable tool for any professional fleet maintenance operation. The AST-400E is the solution for a faster, more efficient, and cost-effective way to maintain your fleet's appearance. Invest in efficiency and quality with ASTRO Pneumatic.