The HR-2550A is a hot-air pencil manufactured by Atten and includes a spare part heating element. The HR-2550A is a precision hot air tool and includes a temperature range from 100°C to 500°C. It also features a digital display with a built-in timer, a temperature lock setting mode, adjustable airflow, and a stainless steel nozzle. The heating element is a high-temperature resistance and thermostatically controlled coil that understand currents of up to 24 V. This component is essential for using the hot-air pencil properly and is also an essential design component that allows for the tool to reach the highest temperatures and fast heating.