Specification Brand : Quluxe BulletPoint1 : Inner diameter: 7mm (0.27 inch); Length: 21mm (0.82 inch) BulletPoint2 : Pack includes 20 total ferrites ring double clip BulletPoint3 : High Quality: It is made of plastic shell and ferrite core, with internal adaptive clip, which can be firmly installed on the cable and can work for a long time. BulletPoint4 : Easy to Use: it is clamped on the ferrite core, there is a small clip on the core, which can be easily opened and clamped on the cable. BulletPoint5 : Application: Clamp it on AC power cord, USB cable, mouse cable, keyboard cable, earphone cable, video cable, audio cable, data cable. Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 770343806316 ExternallyAssignedProductIdentifier2 : 0770343806316 ExternallyAssignedProductIdentifier3 : 0303621183535 ExternallyAssignedProductIdentifier4 : 0792332631815 GpsrSafetyAttestation : 1 ItemName : Quluxe 7mm Ferrites Ring Double Clip-on Ferrite Ring Core RFI EMI Noise Suppressor Cable Clip for Video Cable, Coax Cable, Power Cable, Black (Pack of 20) ItemPackageDimensions_Height : 14.097 centimeters ItemPackageDimensions_Length : 3.9116 centimeters ItemPackageDimensions_Width : 10.2108 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electronic-component-ferrites Manufacturer : Quluxe Material : copper ModelNumber : XIAN653 NumberOfBoxes : 1 PartNumber : XIAN653 ProductDescription : Features If you have computer interference around your computer, get a set and use them,they work. If you are a ham radio operator and the antenna is in your attic.Put them on USB cables, power cables. Product specifications Total Weight: 210g Inner diameter: 7mm (0.27 inch) Length: 21mm (0.82 inch) Color: Black; Shell material: Plastic Package Includes 20 x ferrites ring double clip ProductSiteLaunchDate : 2020-11-16T02:57:15.737Z Size : 7mm SupplierDeclaredDgHzRegulation : not_applicable UnspscCode : 43202222