Check the listing for details. Pollak Precision Ball Switch NC 21-462 Sealed Terminals Back Up Light Hyd E249. Condition: New. Listed at 14.49 USD. Note: E-249 is my inventory # only.UPDATE 13May2024...If you need 25 of these or more inquire for a large discount. Here is a BRAND NEW Pollak No. 21-462 precision ball switch. This is a NC (normally closed) switch. It has sealed terminals. The threads are 9/16"-18 UNF This will mate up with a 2-way Weatherpack, Delphi or Aptiv # 12015782 connector, terminal # 12089040(M). These are usually marketed as a back-up light switch but are also used in many industrial applications on equipment. The hex flats on this are 7/8" or 22mm. If you need a large quantity of these, please inquire for a large discount. Here are some specifications on this: Current Rating: .01-5.0V DC AmpVoltage Rating: 5.0V to 24V DC.Normally Closed sealed terminalsMake/Break: .407/.390 (10.34mm -09.91mm ) - .421/.416 (10.69mm -10.57mm) Connector: Packard Weather PackMating Connector: 12015792Temperature Rating: -30F to +250F Degrees (-34C to +121C) Type: Normally closed sealed terminals USPS Shipping to 50 US States onlyNO Foreign Shipping!