• Multi-Use Laboratory Cleaning Tool: can be used for scrubbing 50-1000 ml Erlenmeyer flasks, as well as beakers, cylinders, and test tubes, without causing any damage
• Optimal Size for Thorough Cleaning: the brush has a wide 3.9-inch bristle diameter and a 7.9-inch length, with a 5.9-inch handle, totaling 13.8-inch in length for deep cleaning
• Durable Material: each brush is made with robust 304 stainless steel and equipped with tough yet gentle bristles to effectively clean without scratching glass surfaces
• Convenient Design: a practical loop at the end of the handle allows for easy hanging storage, ensuring the brushes dry quickly and are readily accessible