Honeywell GLAA01C MICRO SWITCH™ Global Limit Switches: GLA Series, EN50041 Mounting Standard, Epoxy-Coated Zinc Housing, Non Plug-In Body Style, Top Roller Plunger, Ø 12 mm x 5 mm [0.47 in x 0.2 in] Steel Roller, 1NC 1NO Single Pole Double Throw (SPDT) Snap Action, AC 15,