1pcs 92 x 18 x 66mm Ferrite Ring Iron Powder Toroid Cores Black Gray Inductor Ferrite Rings for Power Transformers Inductors _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Description: _x000D_ _x000D_ _x000D_ This is aferrite ring, not a magnet. It has no magnetism. _x000D_ Iron powder core is generally stored near signals of place. _x000D_ It has the characteristics of isolating eddy current, low permeability and restraining interference. _x000D_ Used widely in power transformers, current transducers, instrument transformers, inductors, chokes, ballasts, voltage stabilizers and regulators, welding transformers, broad band transformers, filters, etc. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Specification: _x000D_ Product Name: Ferrite Cores _x000D_ Material: Ferroferric Oxide _x000D_ Model: T68-10A _x000D_ Inner Diameter: 9.2mm / 0.36" _x000D_ Outer Diameter: 18mm / 0.71" _x000D_ Height: 6.6mm / 0.26" _x000D_ Total Size: 6.6 x 18mm / 0.26" x 0.71" (H*D) _x000D_ Color: Black ,Gray _x000D_ Net Weight: 6g _x000D_ Size: 1pcs 9.2 x 18 x 6.6mm _x000D_ _x000D_ _x000D_ _x000D_ Package Content: _x000D_ 1pcs x Ferrite Ring Toroid core iron _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_