1pc 10X100/140/160/200mm Ferrite Rod Bar Loopstick For Radio Antenna Crystal Aerial transformer Black Mn-Zn Ferrite rod material
https://www.vogueparade.com/shopping/EN/1428/4/1005003277933708/1pc-10x100140160200mm-ferrite-rod-bar-loopstick-for-radio-antenna-crystal-aerial-transformer-black-mn-zn-ferrite-rod-material//