This part is the replacement high-limit thermostat, or simply the thermostat for your dryer. It is approximately 2 inches wide from tip to tip. The center, rectangular portion of the thermostat is approximately 1 inch in width and a little more than 1 inch in length. The thermostat is a safety device that regulates the temperature inside the dryer. If the thermostat is shorted out, your dryer may not be getting any heat, and you will need to replace it. You can test the high limit thermostat for continuity by removing it and connecting it to a multimeter. Be sure to disconnect your dryer from the power source before you begin this repair. This is an OEM part sourced directly from the manufacturer.