Application: T100 series time switches | Brand Name: Intermatic | Color: Metallic | Indoor and Outdoor: Indoor and Outdoor | Number in Package: 1 pk | Programmable: Yes | Indoor or Outdoor: Indoor Use these tripper pins to replace missing pins or add extra set points to your mechanical time switch. The pins fit all intermatic T100 series time switches, as well as the WH40 electric water heater time switch. | 1 On and 1 Off tripper | Used with all T100 series time switches and mechanisms | Made of metal | For model numbers T101, T102, T103, T104, T103-30, and T104-20 | Silver and brass