... .supply with matched bobbin 4.ToHs toroid coated ferrite core Description:1.Shape:bar ,ball,strip,stick,coil, block,sheet, ... ,can be designed by the customerOther information:Packaging details:hard paper cartonDelivery time: 30days after order.Payment Terms:L/C,T ... ,please visite our website:http://hongqiaoelectron.com toroid coated ferrite core