Black Rubber Stopper #00 1-hole (3mm). Top diam. is .591"(15mm). Bottom diam. is .400"(10mm). Height is .955"(25mm).

Approximately 104+ per pound.

Forensics Lab Supply Number 3741102.

Formerly Grau-Hall Corporation dba Grau-Hall Scientific.



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