... 1.Material:use the best quality stainless steel 2. Diamension:3.5*3.5mm 3.Certification : CE,ISO9001,ROHS Product Feature: 1.varius of ... ,including 4.2*2.2mm,4*2mm,3.3*3.3mm,3*3,,.2.5mm,2mm,1.8mm,1.5mm,2.power destinyreaches 2.w/cm square3 ... .thermocouple type J,K,E can be attched4.high temperature teflon lead wire ...