FDA approved scraping nozzle, this toothed accessory helps to clean up dust and residual particles as well as being autoclavable. Color-coded helps to trace the use of accessoriesand to avoid product contamination. Highly recommended for food and pharmaceutical industries. Total color makes it easier to spot the correct color for the job. Dimension of the tool, 7.08" x 4.72". Universally made to fit both 50mm and 38/40mm connections. Black brush is Anti-static only made from NBR rubber great in any explosion proof environments. Clear is made from Silicone, great for food or pharmaceutical industries.