MICRO SWITCH™ Specialty Large Basic Switches: BS Series, Single Pole Double Throw (SPDT), 20 A 125/250 Vac, Stainless Steel Pin Plunger, 25,4 mm [1.0 in] White Plastic Differential Travel Adjusting Wheel, 8-32 UNC Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, UL, CSA