This product is widely used as an instrument transformers and power transformers up to 220 kv class. Main features of this product. Manufacturing range :- cross sectional area 1.0 sq mm to 500 sq mm wire gauge 31 swg to 45 swg diameter of braid 1.5mm to 40mm *special sizes available on request material : bare copper wire, aluminium wire, tin plated copper wire, silver plated copper wire (spc)