1high power low loss large size soft ferrite cores. 2 for transformer,Induction Heating 3high quality low loss 4 PC40,44,95 C10.579mm-1Le306mmAe530mm2Ve177662mm3AL4338nH/N2W852gUY78/67/26material : PC40 PC44.high power large size soft Mn-Zn ferrite cores.transformer ferrite cores. big size ferrite magnetic. UY26 ferrite core