Chemglass, CG-474-01, Stopcock, Double Oblique, Hollow Glass Plug, High Vacuum, 2mm Bore, 14.5/50 Plug Size, 8mm OD Sidearms
Hollow plug, double oblique bore stopcock is precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated with a separate hole in the plug which is not in the line of flow.
