Feature:<br />-Product Name:Ferrite Core<br />-Material:Metal<br />-Color: Green<br />-Overall Size:22 x 14 x 8mm/ 0.87" x 0.55" x 0.31" (Outside Dia.*Inner Dia.*T)<br />-Weight:13g(single)<br />-Used widely in power transformers， current transducers， instrument transformers， inductors， chokes， ballasts， voltage stabilizers and regulators， welding transformers， broad band transformers， filters， etc.<br /><br />Package included:<br />10*Ferrite Core