The item is an expandable vintage kitchen trivet manufactured from 16 stainless steel bands attached together in a such a manner as to permit the item to be expanded when in use or closed for storage.
The trivet is not visibly marked or stamped.
This item has some age related wear, however is in good vintage and working condition.
Closed for storage: 31.5 cm x 6.5 cm x 1 cm high
Open for use: depends on how much you expand it