Futheda 20pcs Clip on Ferrite Ring Core Anti interference High frequency Filter RFI EMI Noise Suppressor with 3mm 5mm 7mm 9mm 13mm Inner Diameter Cable Black

Well made and high quality:Made of plastic housing and ferrite core,with inner self-adaption clip can mount on cables tightly and work for a super long time 3 mm: outer dimension-25 mm x 13 mm; 5 mm: outer dimension-25 mm x 13 mm; 7 mm: outer dimension-30 mm x 17 mm; 9 mm: outer dimension-35 mm x 20 mm; 13mm: outer dimension-36 mm x 24 mm Color: Black Reduce electro-magnetic interference and improve signal integrity Fits for cord with3mm, 5mm, 7mm, 9mm and 13mm inner diameter Package included: 20 pieces ferrite cable clips (with 5 different size).