Pair of Vintage Shock Absorbers?

Skylarc Ref H131714

Expected Auction End Time: 18th April 2022 9:12pm

Pair of Vintage Shock Absorbers, or similar.
No visible manufacturer marks or model details on units.
Each has a thin 3mm diameter Hollow black plastic tube coming out of each unit. Unsure as to its purpose.
See photos for further details on design of these units.