They broke into Harveys in the Heathfield Retail Park sometime between 7pm on Thursday and 8am on Friday.
DeWalt drills and a Stanley hammer were taken during the raid.
The shop is undergoing a refurbishment and is sealed off with plywood during the work.
Police community safety officer Jamie Dunlop said: “We would encourage anyone with information to come forward.” Witnesses can call 101 or contact Crimestoppers anonymously on 0800 555 111.
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