1.Package Included: 22PCS Snap on Ferrite Ring Cores Cable Clips with 5 Different Size 3.5mm/ 5mm/ 7mm/ 9mm/ 13 mm inner diameter.
2.Snap on Ferrite Core with Plastic Housing; Helps to Reduce EMI on AC Power Lines.
3.Ferrite Bead Choke Widely Used on a Variety of Data Cables, e.g. USB Cables, Telephone Lines, Aerial Feed, Satellite Cables, Network Cables to Shield from External Electromagnetic Interference;Reduce Electro-magnetic Interference and Improve Signal Integrity.
4. Clip-on Design, Easy to Install and Change.
5. All Pieces Come in a Reusable Transparent Box, Easy to store.