... :use the best quality stainless steel 2.High quantility 3.Certification : CE,ISO9001,ROHS Product Feature: 1. Various sizes of cross section ... 4.2x2.2mm, 4x2mm, 3.3x3.3mm, 3x3mm, 2.5mm, 2.0mm, 1.8mm, 1.5mm, and other specificaiton2. Power density reaches 20 w ... lead wire and stainless steel shield provided, with sleeving protection5.1 year guarantee time