Fiberglass Dogbone of Transforer Used for the insulation spare parts of dry- type transformer. Model: Insulation Dogbone of Transformer The contents: Epoxy resin ... *10,10*1211*10,12*8, 12*10,12*12,13*10,14*10, 14*12,15*10,15*1516*16 ... *14,16*10,17*10,17*12,18*12,18*13,18*1418*16,18*18,19*10,20*10,20 ...