A driver who pulled over to help a man who appeared to be broken down by the side of the road was beaten and robbed by him.
Upon stopping on the Bends between Whitstable and Herne Bay, the victim was hit over the head with a wheel brace and fell to the floor.
The robber then stole his wallet and drove off.
The victim, who is in his 40s, had pulled over at around 4pm on Saturday, June 16.
He suffered cuts to his face, but still managed to drive to a hospital for treatment.
Police have released an e-fit of the suspect.
He is described as a white man with shaven hair, is around 6ft tall, in his 30s and has a tribal tattoo on his right arm from his shoulder down to his sleeve.
He was seen wearing white shorts and was wearing a gold ring.
Another man had been with him at the time of the attack.
He was also white, slightly shorter with black hair and was wearing a white sleeveless t-shirt with dark coloured shorts that had yellow stripes down the sides.
He was of slim build and in his 20s.
Anyone who witnessed the incident or recognises the man in the image or either of the descriptions is urged to call the appeal line on 01843 222289 quoting reference ZY/033938/18.
Alternatively, you can contact the independent charity Crimestoppers in Kent anonymously on 0800 555 111.