uxcell 20Pcs B06-503 Red Button 16mm Thread SPST Momentary Pushbutton Switch Product Name : Push Button Switch;Model : B06-503;Action Type : Momentary Contact configuration : SPST;Rating Voltage : AC 125V 6AAC 250V 3A;Terminals Quanlity : 2 Mounting Thread Diameter : 16mm / 0.63";Button Diameter : 13mm/ 0.51";Overall Size : 19 x 19mm/ 0.78" x 0.78"(D*H) Material : Plastic & Metal;Color : Red, Black Net Weight : 113g;Package Content : 20 x Push Button Switch