This Quickfit hexagonal glass stopper is designed for secure sealing of jointed glassware in secondary schools and colleges, supporting safe and efficient science experiments. Its hexagonal head offers excellent grip, making it easy for teachers and students to handle during practical lessons.

• Made from durable borosilicate glass for chemical resistance and high temperature use

• Cone and socket size: 14/23, suitable for standard jointed glassware

• Overall height: 56mm

• Hollow blown construction reduces weight

• Hexagonal head prevents rolling and allows upright storage to avoid contamination

• Complies with ISO 383 standard tapers

• Supplied individually

• Supplied in European 'B' length joint sizes