... and good quality 30A 600V porcelain double throw bakelite knife switch (2p) 1)Materials:procelain,bakelite, copper, brass, iron, zinc ... your inquiry. 1)Produce name:porcelain knife switch; 2)Materials base:procelain cover: plastic or bakelite knife:iron copper-plating,brass or ... southeast Asia etc. 5)Package details:with inner boxthe inner box color can be yellow, blue, red etc. 6) others photos ...