MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), 15 A 125/250 Vac, ENEC 16 A 250 Vac, 12,7 mm [0.50 in] Threaded Bushing with 9,19 mm [0.362 in] Diameter Hardened Steel Additional Overtravel Plunger, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, Seal Boot and Bushing Hardware Furnished Unassembled, UL, CE, CSA, ENEC