MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), 15 A 125/250 Vac, 11,9 mm [0.470 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, Bushing Hardware Furnished Unassembled, UL, CSA