Supply Of Double Paper Covered Copper Winding Wire Size- 12.5 Swg, Insulation Class- F, As Per Is- 13730 Pt 27. Make- Gtp / Kww / Rr Shramik Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] , Double Paper Covered Copper Winding Wire Size- 13 Swg, Insulation Class- F, As Per Is- 13730 Pt 27. Make- Gtp / Kww / Rr Shramik Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ]