1)Hottest metal face 2)Unique design 3)Quality PC material 4)0.6mm phosphor metal sheets 5)Suitable for various market South American switch & socket collection: 1) Brush metal face (stainless and aluminium face both available)2) Steel inner plate3) PC backcase4) Silver alloy contact for switch5) 0.6mm phosphor metal sheets for socke6) Suitable for european, middle-east, Africa market.