Stainless Steel Tube 1/2 Od X 0.049 Wt (1.245Mm) As Per Icf Spec No. Icf/Md/Spec 166 Rev3 Of Mar.2009 & Amnd.3 Of Feb.2010 For Mrvc/Gp/194 Coaches Of Siemens Make. (Rdso/Icf). As Per Specn. Spec No. Icf/Md/Spec-166 Rev3 Of Mar.2009 & Amnd.3.