SMTC-068 is a soldering/rework tool from Metcal. It is a universal-style cartridge and includes a tungsten-tipped soldering tip and a non-flammable thermoelectric heating element. It is designed to provide a precise, consistent, and efficient performance in a range of soldering and rework applications. The SMTC-068 is typically used in automotive electronics, medical devices, communications, and agricultural/horticultural applications. It generally has a temperature range of 320°C - 700°C, with a tip diameter of 0.25mm. It includes safety features like thermal shut-off, overheating protection, and ground monitor.