The 900-T-K is an electronic part from Jinliyang, designed for use with soldering tools. It has RoHS certification, meaning it is compliant with the European Union's Restriction of Hazardous Substances Directive. The part is a terminal block connector, which is used for secure connections between wires, and is designed to provide reliable and efficient electrical connections. It is suitable for a variety of applications, and can be used in a variety of applications such as automotive, industrial, home appliances, telecom, instrumentation and other fields.