Specification Brand : DOIT BulletPoint : Made in Taiwan BulletPoint1 : Upgrade Your Car Audio: XFFCSEC 70PCS 4 Gauge Ferrule Connectors are perfect for car amps and battery terminals, providing a clean and professional look in your engine bay and amp connections. BulletPoint2 : Insulated End Terminals: Our ferrule connectors are designed with tube-type insulation to prevent short circuits and ensure a safe and reliable connection. BulletPoint3 : High-Quality Materials: Made with plastic and copper, our connectors are durable and long-lasting, with a black and red color scheme that looks great in any setup. BulletPoint4 : Perfect Fit: Our connectors are designed to fit 4AWG 25mm2 wire gauge and have a tube size of 7.5 x 8 x 16 mm, making them compatible with a wide range of amplifiers and electronics. BulletPoint5 : 100% Satisfaction Guarantee: We stand behind our products and offer a 100% satisfaction guarantee.If you're not completely satisfied with your purchase, we'll make it right. Color : 4 Gauge Ferrule Connectors Black+Red(70PCS) ConnectorType : Adapter DriveSystem : External Hex ExteriorFinish : Brass ExternallyAssignedProductIdentifier : 1000135392666 ExternallyAssignedProductIdentifier1 : 009326401980 ExternallyAssignedProductIdentifier2 : 0009326401980 GpsrSafetyAttestation : 1 IncludedComponents : Sleeves Ferrules & Insert ItemName : Do it Compression Nut ItemPackageDimensions_Height : 17.1 centimeters ItemPackageDimensions_Length : 2.3 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : compression-fitting-nuts Manufacturer : Do It Best Material : plastic Material1 : Brass Material2 : Nylon Material3 : Plastic Material4 : Brass MaximumVoltage : 600 volts MeasurementSystem1 : metric MeasurementSystem2 : inch MetalType : Brass ModelName : A037 ModelNumber : Lime2018 NumberOfItems : 1 NumberOfPieces : 230 PartNumber : 408525 ProductDescription : O.D. tube size. Carded. ProductSiteLaunchDate : 2006-11-09T02:39:42-00:00 Size : 230PCS Sleeves Ferrules,Insert SpecificationMet : Csa Std Cc22.2 No. 65-93 and 188-m1983, Ansi/Ul Std No. 486a and 486c, Din 46228 Part 1&4 SupplierDeclaredDgHzRegulation : not_applicable TemperatureRating : 25 degree celsius TerminalType : Ferrule UnitCount : 1 UnspscCode : 31161700 Voltage : 12 volts