STANDARD 12mil OUTSIDE X 9.5mil INSIDE. CLEAR GLASS DOWNSTEM & GROMMET. LONG. FSLV-1L
This standard diameter, glass downstem has an outside diameter of 12mil and inside diameter of 9.5mil. 5" long. Handmade item so may be slight variation in size. Can be used with both 8mil and 9mil sliders. Comes with rubber donut grommet. 12.5mil is approx 1/2"
Please see Glass Accessories Measuring Guide.