6/16Amp. S.S combined are made with very high grade heat-resistant polycarbonate . In this SWITCH And SOCKET Combined with Box. This 16Amp. Extension Board is made of polycarbonate that is why it is unbreakable.The extension board features a user-friendly design, making it possible to connect Heavy Appliances devices .It can be used for Heavy Appliances like Refrigerator, Motor, Microwave, Washing Machine, and various Domestic Gadgets & Appliances.