Specification Brand : Echo / Shindaiwa BulletPoint1 : Reduces EMI and improves signal integrity BulletPoint2 : The electromagnetic field around the solenoid can be improved to avoid external interference. BulletPoint3 : Just clip it on and you'll get a cleaner signal and faster data transfer BulletPoint4 : Used to store various wires such as: car dvr, speaker wire, mouse wire, keyboard wire, usb wire, headphone wire, coaxial audio wire, industrial serial port wire BulletPoint5 : 5 sizes to choose from, 3.5mm, 5mm, 7mm, 9mm, 13mm, package contains 20pcs. Color : Black ExternallyAssignedProductIdentifier1 : 0663151477567 ExternallyAssignedProductIdentifier2 : 663151477567 ItemName : Echo - shaft asy., choke ItemPackageDimensions_Height : 0.2 inches ItemPackageDimensions_Length : 12 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 1 ItemTypeKeyword : electronic-chokes Manufacturer : Echo Material : Copper ModelNumber : P003000600 NumberOfBoxes : 1 NumberOfItems : 20 PartNumber : P003000600 ProductDescription : SHAFT ASY., CHOKE ProductSiteLaunchDate : 2012-06-29T21:20:05.684Z Size : 9MM SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 2 UnspscCode : 43000000