Place the ferrite core on the cable or wire to be installed, make sure the opening of the core is perpendicular to the cable or wire, and close the switch. Clip-on Ferrite Ring Core is a toroidal core made of ferrite material with a clip-on design that allows it to be clipped directly onto cables or wires. How to use it?Place the ferrite core on the cable or wire to be installed, make sure the opening of the core is perpendicular to the cable or wire, and close the switch. Urn for Ashes for Women or Men, Cremation Urns for Human Ashes Adult Female and Male, Funeral Decorative, Burial, Flying Hummingbird Urn, Pink Flower and Sky Bird - Large Full Size 5mm Clip-On Ferrite Ring Core Noise Suppressor For EMI RFI Clip Cable... 5mm Di Diametro Snap On Nucleo Di Ferrite Bead Soffocare Anello Cavo Di Rfi Emi What should I notice?During installation, avoid clamping the core with excessive force to avoid damaging the cable or wire, or causing the core to deform and affect its performance. What is this?Clip-on Ferrite Ring Core is a toroidal core made of ferrite material with a clip-on design that allows it to be clipped directly onto cables or wires. What will I get?Inner Diameter: 3.5mm/ 5mm/ 7mm/ 9mm/ 13mmOuter Diameter: 13mm/ 13mm/ 16mm/ 19mm/ 23mmLength: 25mm/ 25mm/ 30mm/ 35mm/ 36mmColor: BlackIn the package of: 35 x Clip-on Ferrite Ring Core(7 x 3.5mm, 7 x 5mm, 7 x 7mm, 7 x 9mm, 7 x 13mm Ring Cores)Are there any advantages of the product?1. Easy to install, the clip-on design allows the Clip-on Ferrite Ring Core to be easily clipped onto cables or wires without the need for additional fixtures or tools;2. Strong practicability, the ferrite material has high magnetic permeability and low loss characteristics, which can effectively suppress electromagnetic interference;3. Strong adaptability, the ferrite cable clamp can be used for cables and wires of different diameters, and has strong adaptability. Easy to install, the clip-on design allows the Clip-on Ferrite Ring Core to be easily clipped onto cables or wires without the need for additional fixtures or tools; Strong practicability, the ferrite material has high magnetic permeability and low loss characteristics, which can effectively suppress electromagnetic interference; Strong adaptability, the ferrite cable clamp can be used for cables and wires of different diameters, and has strong adaptability. Rf Choke MECCANIXITY 25Pcs 5 Sizes Clip-on Ferrite Ring Core Ferrite Cores