Specification AgeRangeDescription : Adult Brand : GYJSTBAJ BulletPoint : Applicable models: WLtoys 1/14 144010 144001 144002 1/12 124016 124017 124018 124019 RC cars BulletPoint1 : Material: The servo arm accessories are made of metal; the design has better performance and a wider For range of applications. Strong and practical. Easy to install, impact resistant; BulletPoint2 : Features: With overheat protection, low voltage protection, low resistance field effect tube function. Strong and easy to use. There is no difficult requirement even if you use it for the first time, which helps to improve the overall performance; BulletPoint3 : Installation: Low power consumption, long use time. Simple and convenient installation. Exquisite workmanship, high performance and strong,; the design is easy to install, so that it can be directly replaced; BulletPoint4 : Exquisite craftsmanship: The exquisite craftsmanship of RC accessories makes it look exquisite, which can decorate your remote control car and make it more practical and beautiful; It is an ideal accessory choice for remote control model enthusiasts; BulletPoint5 : Note: Please carefully confirm whether our products are suitable for your remote control car before placing an order! If you are not sure, please contact customer service! Color : 7mm 1pcs CpsiaCautionaryStatement : no_warning_applicable CurrentRating : 1.8 amps ExternallyAssignedProductIdentifier : 7505319421964 Hazmat1 : LITHIUM ION BATTERIES Hazmat10 : EG_SmallLithiumIonBatteryStandalone Hazmat11 : ES_SmallLithiumIonBatteryStandalone Hazmat12 : FR_SmallLithiumIonBatteryStandalone Hazmat13 : GB_SmallLithiumIonBatteryStandalone Hazmat14 : IN_SmallLithiumIonBatteryStandalone Hazmat15 : IT_SmallLithiumIonBatteryStandalone Hazmat16 : JP_SmallLithiumIonBatteryStandalone Hazmat17 : MX_SmallLithiumIonBatteryStandalone Hazmat18 : NL_SmallLithiumIonBatteryStandalone Hazmat19 : PL_SmallLithiumIonBatteryStandalone Hazmat2 : UN3480 Hazmat20 : SA_SmallLithiumIonBatteryStandalone Hazmat21 : SE_SmallLithiumIonBatteryStandalone Hazmat22 : SG_SmallLithiumIonBatteryStandalone Hazmat23 : TR_SmallLithiumIonBatteryStandalone Hazmat24 : US_SmallLithiumIonBatteryStandalone Hazmat25 : 9 Hazmat3 : II Hazmat4 : AE_SmallLithiumIonBatteryStandalone Hazmat5 : AU_SmallLithiumIonBatteryStandalone Hazmat6 : BR_SmallLithiumIonBatteryStandalone Hazmat7 : CA_SmallLithiumIonBatteryStandalone Hazmat8 : CN_SmallLithiumIonBatteryStandalone Hazmat9 : DE_SmallLithiumIonBatteryStandalone InputVoltage : 5 volts ItemName : 3/4/5/6/7/8mm Shaft Brass Hexagonal Coupling Coupler Length 30mm Hex Copper RC Cars Wheel Tires Connector Robot Accessories(7mm 1pcs) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hobby-rc-vehicle-servo-arms Manufacturer : GYJSTBAJ ManufacturerMaximumAge : 216 ManufacturerMinimumAge : 36 ModelName : PHJKCRWXUL ModelNumber : GYJSTBAJ NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumIonCells : 4 NumberOfPieces : 1 OutputVoltage : 4.2 volts PartNumber : GYJSTBAJ ProductDescription : D12L30 Brass Couplings The extended hexagonal coupling can extend the transmission shaft, and the motor with the coupling can effectively extend the transmission distance. This coupling is often used to connect the reduction motor shaft and the hexagonal wheel, and can also be used to connect the motor shaft and other model accessories. Shape parameters: The total length of coupling is 30mm, The length of cylinder is 24mm, The outer diameter of the cylinder is 11.5mm, The hexagonal side length is 7mm, The diagonal distance is 13.6 mm, The distance between opposite sides is 12mm, Aperture parameters: there are four kinds of internal diameters of the cylinder: 3,4,5,6,7,8mm, which are respectively suitable for connecting shafts with diameters of 3,4,5,6,7,8mm; Screw hole size: M4 screw for side fastening (with screw), M4 screw for fixing screw for hexagon central hole Spot specification: 3mm 4mm 5mm 6mm 7mm 8mm Dear buyers , thanks for your shopping in my shop , our shop is the our Factory Shop , and we have our own RC brand and factory ,if you are interested in our products and want to buy more,or Want to customize products , you can make leaving message and contact with us any time , and we will offer more competitive price than common retail sellers. ProductSiteLaunchDate : 2025-05-09T02:00:02.427Z Size : One Size TargetAudienceKeyword : unisex-adult TargetGender : unisex UnitCount : 1 UnspscCode : 60141000 Voltage : 5 volts