10PK Cork Stoppers, Size #8 - 17mm Bottom, 22mm Top, 27mm Length - Tapered Shape

Pack of 10 cork stoppers. Size #8 - each stopper measures 27mm in length, has a base diameter measuring 17mm, and a top diameter measuring 22mm. 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 18-21mm in diameter. Designed for use in professional laboratories but are suitable for a variety of applications in the classroom, home and garage.