Outer Joint, 2 mm stopcock, bottom tube is designed to connect to an ampul.
Unit of Measure
Items
qig-8

QIG-8 Adapter, Transfer, Pressure/Vacuum Stopcock
List Price $79.00

qig-8

QIG-8 Adapter, Transfer, Pressure/Vacuum Stopcock
List Price $81.20
Joint N/A 14/20 N/A 24/40
Stopcock N/A 2 mm