7101MYZB toggle switch by C&K SPDT, ON-NONE-0N 0.4VA max. .200" high actuator, .350" high keyway, 1/4-40-UNS-2A thread, Download C&K 7101MYZB datasheet: British , nicely made traditional toggle switch, gold contacts and gold solder lugs. These are superb ! short actuator (0.2" high) version, better for exposed locations such as musical instruments or medical equipment. Very popular with radio controlled aircraft makers due to robustness, ease of fixing and reliability. threaded bushig is .35" high with keyway. comes with hardware kit : two flat nuts, special lock washer and a serrated washer. A domed top nuts for that special finish also available, see related products below.