Ferrite Cores Ring, 20pcs Clip-on Ferrite Ring Core Ferrite Choke RFI EMI Noise Suppressor Filter Cable Clip 3.5mm 5mm 7mm 9mm 13mm Anti-interference High-frequency Ferrite Beads

Nickel-zinc Ferrite: Ferrite cores effectively help to reduce electromagnetic interference (EMI) and radio frequency interference (RFI) and suppress noise for clearer signal and audio quality. High Quality: Made of plastic housing and ferrite core, integrated construction with internal adaptive clips for secure mounting on the cable and long service life. Variety of Models: The package includes 20 ferrite ring core cable clips, sizes: Φ3.5mm, Φ5mm, Φ7mm, Φ9mm, Φ11mm, 4 pieces of each size to suit different cables. Easy to Install and Remove: Double lock design, lightly press to lock, can be firmly mounted on the cable, not easy to fall off. To disassemble, simply hook up with your fingernail. Multiple Application: Ideal for clamping on AC power cables, mice, keyboards, printers, computers, TVs, USB cables, telephones, AV cables, HDMI, VGA, DVI, car recorders.