Honeywell GLGA12C MICRO SWITCH™ Global Limit Switches: GLA Series, EN50047 Mounting Standard, Epoxy-Coated Zinc Housing, Plug-In Body Style with (1) Yellow LED Pilot Light, Top Roller Plunger, Ø 12 mm x 5 mm [0.47 in x 0.2 in] Metal Roller, 1NC 1NO Single Pole Double Throw