100% brand new and high quality. Features: This product is an adjustable inductance with adjustable magnetic core It belongs to the inductance of class uh It has a wide range of applications in radio communication Typical use in the LC oscillation frequency regulation; radio remote control transmitter, coupled inductors, and so on Specifications: 100% branded new and high quality Ferrite core diameter : 3.6mm Ferrite core Height : 8mm Frequency : 25MHz ~ 100MHz Note: 1.Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 10 Pcs x Adjustable Inductors