A smooth cap with concave design accommodates fingertips. Devices have a mechanical-life of 500,000 operations. Circuit status is facilitated by snap-action contact mechanism. They come in single and double-pole momentary, as well as snap-in and bushing-mount versions.
NKK Switches, 7850 E. Gelding Dr., Scottsdale, AZ 85260, (480) 991-0942, nkkswitches.com