... delivery time 4) Good quality ,best price SPST Heavy-duty Tumbler Black Toggle switch ON/OFF Typical applications: industrial controls, marine ... : Metal terminals, frame and support are steel with zinc chromate, case is black phenolic plastic (flammability rating: UL 94 flame class ... /250V AC; 20A/125V AC; 12V 20Amp SPST Heavy-duty Tumbler toggle switch ON-OFF