Sculptor's tool (6)
'sculptor's tool' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for chisel that I've seen before include "Edge tool for the carpenter" , "Eg, woodworking tool" , "Carpenter's or mason's tool" , "Hammered cutting tool" , "Sculptor's tool" .)
(Other definitions for adze that I've seen before include "Daze (anag.)" , "Timber-dressing tool" , "tool for carpenter" , "Edge tool used to cut and shape wood" , "Wood-shaping tool" .)