100pcs 200pcs 500pcs12127.3mm Square Head DIP 4PIN 12V 0.5A Push Button Switch Tactile Direct Plug-in Self-Reset Interruptor

100pcs 200pcs 500pcs12*12*7.3mm Square Head DIP 4PIN 12V 0.5A Push Button Switch Tactile Direct Plug-in Self-Reset Interruptor