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 8,3 mm [0.326 in] Diameter Hardened Steel Additional Overtravel Plunger, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, No Bushing Hardware Furnished, UL, CE, CSA, ENEC