Black Rubber Stopper #000 Solid. Top diam. is .472"(12mm). Bottom diam. is .354"(9mm). Height is .709"(18mm).

Approximately 166+ per pound.

Forensics Lab Supply Number 3740101.

Formerly Grau-Hall Corporation dba Grau-Hall Scientific.



NOTE: Unlike some inexpensive imported products, these stoppers are made to standard size and hardness specifications.