The HUAREW Clip-on Ferrite Ring Core RFI EMI Nose Suppressor Cable Clip is a practical and effective solution for reducing electromagnetic interference in computer cables. The sleek black frame and sizes ranging from 3.5mm to 13mm make it versatile for various cable sizes. With the convenient clip design, this cable clip is easy to attach and provides a secure hold for your cables. The set includes 5-28 pieces, depending on your needs, and the item weight of 499 ensures durability and quality. Say goodbye to unwanted noise and interference with this reliable ferrite ring core.