Specification Brand : Proto BulletPoint1 : 1/4-inch to 1-inch ratchet wheels made from alloy steel for uncompromising strength and durability BulletPoint2 : Field repair your torque wrench ratchet head easily with the corresponding repair kit BulletPoint3 : Rachet Head Repair Kits - Torque Wrench BulletPoint4 : 1/4-inch Drive size BulletPoint5 : Use with: J6062C, J6062CX, J6062CXCERT, Made in USA Color : Multi CompatibleFastenerDescription : 0.375 inches CustomerPackageType : Standard Packaging DriveSystem : Torx ExternallyAssignedProductIdentifier1 : 662679106928 ExternallyAssignedProductIdentifier2 : 0662679106928 ExternallyAssignedProductIdentifier3 : 00662679106928 FinishType : Powder Coated IncludedComponents : 1 Proto Branded Tool ItemDisplayWeight : 0.1 kilograms ItemName : Stanley Proto J6062RK 1/4" Drive Ratchet Head Repair Kit - Torque Wrench ItemPackageDimensions_Height : 0.254 centimeters ItemPackageDimensions_Length : 7.62 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : torque-wrenches Manufacturer : Stanley Proto Material : Alloy Steel MeasurementSystem : inch ModelName : Proto ModelNumber : J6062RK NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 OperationMode : Mechanical PackageLevel : unit PartNumber : J6062RK PowerSourceType : Battery Powered ProductDescription : ONLY for 12 Voltage Battery Connect clamps with battery correctly, turn on engine, accelerate to 2000 rpm. These lights would indicate if alternator works well. If the Fault Light lit up when the alternator voltage is too high, it would hurt your battery. Turn off Engine These lights indicate if the battery is already fully charged. Check Before Charge This light indicates if the battery could be charged. When the voltage drops to 10V, the battery would be dead and can NOT be re-charged anmore.