Burettes with Glass Stopcock, Class B, are made of clear glass and comply with DIN/ISO 385 standards. They feature a durable glass stopcock and are printed in blue, amber, and white for easy readability. These burettes are available in capacities of 10 mL, 25 mL, 50 mL, and 100 mL, with divisions of 0.05 mL, 0.1 mL, 0.1 mL, and 0.2 mL respectively