... :use the best quality stainless steel 2.High quantility 3.Certification : CE,ISO9001,ROHS Product Feature: 1. Various sizes of cross section ... for your choice, including 4.2x2.2mm, 4x2mm, 3.3x3.3mm, 3x3mm, 2.5mm, 2.0mm, 1.8mm, 1.5mm, and other specificaiton2. Power ... J/K/E can be attached.4. High temperature Teflon lead wire and stainless steel shield provided.5.1 year guarantee time