Honeywell LSA1A-1B MICRO SWITCH™ Heavy-Duty Limit Switches: HDLS Series, Epoxy-Coated Zinc Housing, Side Rotary, Momentary, Fixed Length Roller Lever, Ø 19 mm x 6 mm [0.75 in x 0.24 in] Steel Roller, 1NC 1NO Single Pole Double Throw (SPDT) Snap Action, Double Break, AC 15,