... ~ 99.98% 3.SO 9001:2001 4.Diameter: 0.1 ~ 3.0 mm Specifications1.Grade W1, W2.1, WAl1, W-61 ... ~ 99.98% 3.SO 9001:2001 4.Diameter: 0.1 ~ 3.0 mmSpecificationsTungsten alloy Wire, Tungsten alloy wires Grade W1, W2 ... Tungsten alloy wiresPurity 99.95% ~ 99.98% Diameter: 0.1 ~ 3.0 mmGrade: W1, W2.1, WAL1,W-61MOQ:1KG Certificate ... heater elementPIC 12-70.4-3.0±1mm±0.3mmPIC 22-30.4 -1.0±1mm±0.3mmPIC 32-70.4 -1.3 ...