Stock gift containing lead free pen (8)
I believe the answer is:
bouillon
'stock' is the definition.
(thesaurus)
I don't understand the remainder of the clue.
(Other definitions for bouillon that I've seen before include "Thin clear soup" , "Strong broth" , "Thin soup or stock" , "Clear seasoned broth" , "Thin seasoned broth or stock" .)