Specification Brand : Aiourx BulletPoint1 : Made of heavy duty chrome molybdenum (CR-MO) steel, after heat treatment and forging, it has high hardness and good toughness. BulletPoint2 : The Black Powder Coated finish to prevent the XZN bit socket from rusting, and corrosion-resistant, increase the number of uses. BulletPoint3 : Double-sided laser, the front is the LOGO word, and the reverse is the scale mark, high-contrast, permanently laser and easy to read, even in low light. BulletPoint4 : 7-Pieces 3/8" Dr. impact XZN bit socket sizes: M5, M6, M7, M8, M10, M12, M14. BulletPoint5 : More competent to work in a narrow space, come with a heavy duty blow molded storage case. BulletPoint6 : Beveled inner rim of the socket opening helps guide it smoothly onto fasteners Color : Chrome CompatibleFastenerDescription : M5, M6, M7, M8, M10, M12, M14. CustomerPackageType : Standard Packaging DriveSystem : Hex ExternallyAssignedProductIdentifier1 : 020209052327 ExternallyAssignedProductIdentifier2 : 0020209052327 ExternallyAssignedProductIdentifier3 : 00076174751239 FinishType : Powder Coated ItemLength : 6 inches ItemName : Aiourx 3/8" Drive Master Impact XZN Bit Socket Set, 7-Pieces: M5 - M14, Cr-Mo Steel, Heavy Duty Storage Case ItemPackageDimensions_Height : 15.9 centimeters ItemPackageDimensions_Length : 5 centimeters ItemPackageDimensions_Width : 10.4 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : star-drive-sockets Manufacturer : Aiourx Material : Chrome Molybdenum Steel Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend MeasurementSystem : Metric ModelName : 3/8 Inch Impact XZN Bit Socket Set ModelNumber : UST196 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 7 OperationMode : Mechanical PackageLevel : unit PartNumber : UST196 ProductDescription : Details: Heavy duty chrome molybdenum (CR-MO) steel. Heat treatment and forging. The Black Powder Coated finish. The integrated impact hex bit socket is more robust. Double-sided laser, high-contrast, permanently laser. More competent to work in a narrow space. With a heavy duty blow molded storage case.