Think of a five-letter word that describes a certain product in its unfinished state. Add a letter at the front and a letter at the end of this word to make a new word that describes this product in its finished state.

HINT:
The product is iron.

Answer:

    ROUGH
WROUGHT 

Credit: 
NPR Weekend Edition Sunday Puzzle
June 19, 2016 
Will Shortz 
Puzzle by Mark Isaac