Long-bladed hand tool used to cut or shape wood, stone or metal (6)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
chisel
(Other definitions for chisel that I've seen before include "Carpenter's tool for shaping wood" , "Wood-shaping tool" , "Sculptor's tool" , "It can be cold in the workshop" , "Edge tool for the carpenter" .)