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