Justryte Cast Iron 

Thumbscrew Adjustable 

Tripod Trivet 

Metal

British Made Footed Trivet No. 729, Rd No 758704

4-1/4 inch at its lowest  and 6-1/2 inch tall at the highest

trivet surface is 6-3/8 inch x 5 inch

There is no damage or issues and looks great

Please look over all the photos to help be the best judge of the condition and style

Thank You