ITEM NAME:10Pcs Inductor Shell Skeleton Empty Ferrite Core No Inductor 25-100MHZ Coil p8 Description: 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..Frequency : 25MHz ~ 100MHz. This product is an adjustable inductance with adjustable magnetic core. It belongs to the inductance of class uh. Ferrite core Height : 8mm. Due to the difference between different monitors, the picture may not reflect the actual color of the item.