This item is a JAMES HEELEY & SONS DOUBLE LEVER CORKSCREW, 3006 PATENT. It comes with a spare screw.
Both the affixed screw and the spare a re marked as is the lever on the shoulder.
Both screws are sharp.
We are currently unavailable until Monday, July 23. We will respond to emails during our absence. Purchase orders are welcome and will automatically reserve the item for you. Thank you for your patience.