Honeywell 1LS131 MICRO SWITCH™ General Purpose Limit Switches: LS Series, Epoxy-Coated Zinc Housing, Non Plug-in Body Style, Side Rotary, Fixed Length Roller Lever, Ø 19 mm x 6 mm [0.75 in x 0.24 in] Steel Roller, Low Pretravel, Low Operating Torque, 1NC 1NO Single Pole D