Detectives investigating the break and enter of a service station in Rochedale on Saturday morning have released CCTV footage of the incident as they try to identify those involved.

Just before 5am the men, armed with tomahawks, smashed their way into the Miles Platting Road service station before stealing a sum of cash from the till, a quantity of cigarettes and a mobile phone.

A shop assistant locked herself in a back room and was not threatened during the incident.

Police have released images of two men they believe may be able to assist them with their inquiries.

Both men are described as being Caucasian in appearance, aged in their late teens or early 20s with very slim builds and fair complexions.

The first man was wearing blue cargo pants, black runners and a black hooded jumper while the second man was wearing a blue hooded jumper, dark pants and blue and orange runners.

Police are urging anyone with any information to contact Crime Stoppers on 1800 333 000.

If you have information for police, contact Policelink by providing information using the online suspicious activity form 24hrs per day at www.police.qld.gov.au/reporting.

You can report information about crime anonymously to Crime Stoppers, a registered charity and community volunteer organisation, via crimestoppersqld.com.au 24hrs per day.