10PK Cork Stoppers, Size #3 - 10mm Bottom, 14mm Top, 19mm Length - Tapered Shape

Pack of 10 cork stoppers. Size #3 - each stopper measures 19mm in length, has a base diameter measuring 10mm, and a top diameter measuring 14mm. Corks are made of natural bark material and feature a tapered shape. The reliable construction will not crumble or break easily.

Ideal for bottles, flasks and test tubes with a mouth/opening measuring 11-13mm in diameter. Designed for use in professional laboratories but are suitable for a variety of applications in the classroom, home and garage.