FDA approved round shaped brush for ground surface or high spot cleaning. Color-coded helps to trace the use of accessories and to avoid product contamination. Highly recommendedfor food and pharmaceutical industries. Total color handle and bristles make it easier to spot the correct color for the job. Diameter of the head, 3.5". Head is removable for easy cleaning and replacement if needed. Universally made to fit both 50mm and 38/40mm connections. Black brush is Anti-static only.