Holder for glassware, NS29, plus closure

The module makes it easy to hang glassware with standard ground joint NS29. The specially shaped recess prevents the glassware from falling out.

Note on ground joint tolerances for NS29:

• Maximum outer diameter at the narrowest point of the conical ground joint: 31.4 mm (larger diameters are too wide for the holder and cannot be accommodated).
•  Minimum outer diameter at the widest point of the conical ground joint: 32.8 mm (smaller diameters are too narrow for the holder and would fall out)