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"Sheldon Black - Pyramid Oil Rig with Removable Stem  Master glassblowers Sheldon Black are known for their exquisite specialised glass designs. Considered one of the pioneers of the industry, these Pyramid Rigs show that they've lost none of their flair.  These stylish oil rigs come equipped with a removable downstem diffuser that allows easy usage and cleaning. The diffuser will break up the vapour and efficiently create a smooth and clean hit for the user.  Purposely built to be used with oil and wax concentrates, the glass piece also includes a sidecar mouthpiece and 10mm side cut vapour dome. Please note no nail is included.  This collection of pyramid oil rigs are just another shining example of the Sheldon Black's technically brilliant premium glasswork.  Available in different label designs:&amp;amp;nbsp;Hat Beige, White/Black, Hat Frost, Copper or Green. See dropdown menu"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.everyonedoesit.co.uk/sheldon-black-pyramid-oil-rig-with-removable-stem.html>