Police are investigating a break-in at the Kingfisher Motor Company, The Street, Selmeston, in which specialist Snap-On tools worth an estimated £30,000 were stolen.
It happened between 6.15pm on Wednesday (17 January) and 8.15am on Thursday (18 January).
Anyone who saw or heard anything suspicious, or who may have other relevant information, is asked to contact police online or phone 101, quoting serial 342 of 18/01.
Meanwhile, police have urged rural business owners to be alert to criminal activity and to review and enhance their security measures where appropriate.
Advice includes ensuring any doors or windows are locked and secure when not in use; identifying and reinforcing any vulnerable areas; making sure units are well-lit and if possible protected by alarms and closed circuit television cameras (CCTV) and ensuring keys are not left on the premises.