Copper piping and a metal covering have been stolen from a business in Hemel Hempstead, with officers now launching a CCTV appeal.
Both items were taken from a premises in Brindley Way between 1am and 1.45am on Tuesday, June 20.
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"We’d like to speak to the two men pictured as we believe they were in the area around the time of this incident and may have information to assist our enquires," said Intervention PC Cameron Nutt.
"If this is you or you recognise them, then please get in contact."
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Anyone with information is asked to email Cameron.nutt@herts.police.uk.
You can report information online at herts.police.uk/report, via online web chat at herts.police.uk/contact, or by calling the non-emergency number 101, quoting crime reference 41/57265/23.
Alternatively, contact Crimestoppers anonymously on 0800 555 111 or online at crimestoppers-uk.org.
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