MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw Double Break (SPDTDB), 15 A 125/250 Vac, 11,9 mm [0.470 in] Threaded Bushing with Sintered Roller Plunger, Dust and Splash Resistant Cover to Case Seal, Self-Lifting Pressure Plate with Plastic Barriers, Binding Head Combination Screw Termination with Lock Washers, Mounting Holes will Accept Pins or Screws, Bushing Hardware Furnished Unassembled, UL, CSA