Enhance your electronic setup with this 30-piece set of clip-on ferrite ring cores, designed to combat electromagnetic interference (EMI) in your cable connections. Each core measures 30mm x 16mm and fits cables with diameters between 5-7mm, making them perfect for USB cables, data cables, telephone lines, and network cables. The convenient clip-on design allows for quick and easy installation without disconnecting cables, while the premium construction ensures durability and reliable performance. These ferrite cores effectively reduce unwanted EMI and radio frequency interference (RFI) on AC power lines, helping maintain signal integrity in your electronic devices. The versatile set provides ample cores for multiple applications, allowing you to protect various cables throughout your setup. Perfect for both home and professional environments where clean signal transmission is essential.