This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough, small, panel-mount momentary . It is a SPST with 16mm threading and 1mm pitch. Overall length (including leads) is 0.8" and has screw-type terminals for connection. These momentary buttons are rated up to 3A and 250VAC. Features - Color: Black. - Material: Metal. - Size: Approx. 1.8 * 1.8 * 2cm/ 0.71 * 0.71 * 0.8 inch (L*W*H). - Metal shell with mechanical life for 500,000 cycles. - Easy to install, it has non-solder connections, screw-type terminals to make fitting very easy. - Universal fit all 12V Car SUV truck RV Boat Yatch. - Great for , electromagnetic starter, relay, Horn Button , PC Power or any circuit controls. Package list: 1 * Momentary Push Button Metal Shell Suitable for 16mm Mounting Hole (Black)