This bundle starts with your choice of a digital temperature controller that displays its temperature reading in Fahrenheit or Celsius. It has a temperature control range of 32 to 999 °F (0 to 700 °C) with an accuracy rate of +/- 1% full-scale. Includes a type J thermocouple (type K thermocouple is also available; call for details). Dimensions: 5.5" L x 4.25" W x 1.75" H (14.0 x 10.8 x 4.5 cm).

Next, choose a standard or high temperature heating cord. They are constructed of a double-braided fiberglass outer sheath with a diameter of 3/16"(4.8 mm).