Dynabrade® NITRO EB3 Extension Polisher Dynabrade The Dynabrade® NITRO EB3 extension polisher is a pneumatic industrial tool designed for polishing and surface finishing in hard-to-reach areas. Its extended reach allows precise, controlled work on deep parts, cavities, or recessed zones, making it ideal for industrial maintenance, metal fabrication, and finishing operations on metal, stainless steel, and composite materials. Learn more