supply of kapton covered copper conductor dimension of bare copper 6.90plus/minus 0.07mm x 3.30 plus/minus 0.05mm and corner radius 0.8 plus/minus 0.1 mm,dimension over 2/3rd positive lap 67 percent to 70 percent insulation 7.26 x 3.63 mmmax. as per spec. no. 4tms .095.002 rev o dated 23-06-2011 for power coil of hitachiarmature.