Self was a Swedish car brand of the brothers Per and Hugo Weiertz from Svedala. They introduced in 1916, 1919 and 1922 three cyclecars ago. Experience in the automotive industry they had done in 1910 with the brand Weiertz.
The first car had a single-cylinder engine, the second a four-cylinder engine of phenomenon and the third a V2 engine from Harley -Davidson. In the car it was prototypes that were still available. The acquired with experience could use the brothers when they started their work at the Thulinverken and were involved in the development of Thulin B.