The FAIR-RITE 2944778301 is a high-quality toroid core designed for a wide range of electronic applications. Made from 44 material, this ferrite core offers excellent performance characteristics. Its dimensions include an inner diameter of 7.75mm, an outer diameter of 12.7mm, and a height of 4.75mm. This toroid core is suitable for use in inductors, transformers, and other magnetic components. As an authorized distributor of FAIR-RITE, Supreme Components International guarantees the authenticity and quality of this product. Trust Supreme Components International for all your electronic component needs.