Avon and Somerset Police are appealing for witnesses following a burglary at a self-storage facility in the Bathpool area of Taunton.
The premises are on a business park off Bridgwater Road, which lies adjacent to the A358 dual carriageway into Taunton.
The incident happened overnight between 17:00 on 2 September and 07:15 on 3 September.
High value industrial tools, including a disc-cutter, drills and a jack hammer, were taken.
Police would like to hear from anyone who was in the area at the time of the burglary who may have seen any vehicles.
Anyone able to help should call 101, quoting 5218197157. Alternatively, you can contact Crimestoppers anonymously on 0800 555111 or report it online quoting the above reference number.