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 Special Overtravel Plunger, Binding Head Combination Screw Termination with Cup Washers, Mounting Holes will Accept Pins or Screws, Roller and Bushing Hardware Furnished in 1PA4 Packet, UL, CE, CSA, ENEC