Coil heater:HSM1-k 1.Material:use the best quality stainless steel 2.High quantility 3.Certification : CE,ISO9001,ROHS Product Feature: 1. Various ... , 4x2mm, 3.3x3.3mm, 3x3mm, 2.5mm, 2.0mm, 1.8mm, 1.5mm, and other specificaiton2. Power density reaches 20 w/cm ... temperature Teflon lead wire and stainless steel shield provided.5.1 year guarantee time