Joyluxy&reg; QN12B1 Momentary Metal Push Button Switch 2A/36VDC 1NO SPST Industrial Car Switch with 2 Pins Suitable for 12mm 0.47" Mounting Hole - Black Shell Brand new and durable,mechanical life for 500,000 cycles. Metal material,high quality, high-grade appearance and nice touch feeling. Be widely used in various types of motor starting,power starting device,and can be also be a access control button. Easy to install, screw clamp type terminals to make fitting very easy. Momentary Type:Push on, Realse off.