Scientific Devices Exchange LLC, carries a wide array of Soldering Systems and small production equipment that range from professional  production line units for PCB manufacturing, repair and rework to small simple systems for hobbyists. With over 20 years of experience in the Electronic Manufacturing industry we test every unit before it is resold. Please do not hesitate to ask us any questions about the units before purchase. *Our standard 30 limited warranty applies to all units sold unless otherwise specified.