SWF K13760 road triangle 70ies

Vintage SWF K13760 road warning triangle in used condition. The triangle has cracks / damages on the reflector but the reflector is still there. The size is 45 x 13 x 4 cm. The yellow case is a bit aged and stamped with “SWF”. The rear of the triangle is stamped with “SWF K13760”. It is strong, very well made and 1500g heavy. Made in Germany in the 70ies.