MICRO SWITCH™ Premium Large Basic Switches: BZ Series, Single Pole Double Throw (SPDT), 5 A 125/250 Vac, Nickel-Plated 7,11 mm [0.280 in] Diameter Hardened Steel Additional Overtravel Plunger, Switch will Withstand Temperature of 204 °C [400 °F] for 100 Hours, 6-32 UNC Thread Screw Termination Inserts, Binding Head Combination Screws and Integral Washers Furnished Unassembled, Mounting Holes will Accept Pins or Screws, UL, CE, CSA