Banyule Crime Investigation Unit detectives have released images of two men as part of their investigations into theft of tools and building materials in Ivanhoe last month.
Two unknown male offenders have accessed a building site on Upper Heidelberg Road at Ivanhoe about 7.10am on 23 May.
The men have taken multiple tools and various building materials including copper.
They were seen leaving the scene in a maroon Holden Commodore with stolen registration plates WMH526.
The site was once again targeted by two offenders, believed to be the same men, about 11.10pm on 25 May.
Police are releasing images of two men they believe could assist with their enquiries.
Anyone who recognises the men, or has information that could assist police is urged to call Crime Stoppers on 1800 333 000 or file a confidential report online at www.crimestoppersvic.com.au.