Specification Brand : Jetech BulletPoint1 : Cr-Mo ALLOY STEEL - Cr-Mo impact socket features with added strength, higher working temperatures and corrosion resistance. It's much stronger to stand greater impact force than chrome vanadium ones. BulletPoint2 : COLD FORGING & HEAT TREATMENT - Cold forging and heat treatment greatly improve the performance of the socket with enhanced hardness, increased wear-resistance and lifespan. BulletPoint3 : 6-POINT SOCKET OPENING - 6-point design provides an exact and snug fit, allowing it to apply more torque on the fasteners and avoid slipping off. BulletPoint4 : RADIUS CORNER DESIGN - The lifespan of both the fastener and socket will be greatly prolonged with the torque distributed to the inwall. BulletPoint5 : BLACK PHOSPHATING - A fine and dense coating brings more corrosion and wear resistance for longtime use. BulletPoint6 : Contains: 7 Pcs. - 3/8" Dr. Bit Sockets – SAE: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8" BulletPoint7 : Overall Bit Socket Length: 6.1 inches / 155 mm. Color : Silver CompatibleFastenerDescription : 0.5 inch CustomerPackageType : Standard Packaging DriveSystem : Square DriveSystem1 : Square DriveSystem2 : Hex ExternallyAssignedProductIdentifier : 6924982082394 ExternallyAssignedProductIdentifier1 : 5054242535207 ExternallyAssignedProductIdentifier2 : 3165140704212 ExternallyAssignedProductIdentifier3 : 5054814309625 ExternallyAssignedProductIdentifier4 : 03165140704212 ExternallyAssignedProductIdentifier5 : 0603658599560 ExternallyAssignedProductIdentifier6 : 5051395155214 ExternallyAssignedProductIdentifier7 : 0637262118435 ExternallyAssignedProductIdentifier8 : 05010559141029 FinishType : Corrosion Resistance FinishType1 : Polished FinishType2 : Oil Rubbed ItemDisplayWeight : 0.04 kilograms ItemLength : 0.83 inches ItemName : Jetech 3/8 Inch Drive 21mm Standard Impact Socket, Made with Chrome Molybdenum Alloy Steel, Heat Treated, 6-Point Design, Metric ItemPackageDimensions_Height : 6.35 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 5.08 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : square-drive-sockets Manufacturer : JETECH Material : Chrome Molybdenum Steel MeasurementSystem : Metric ModelName : LX-402 ModelNumber : FK1ov2-D1-1ov8 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : FK3ov8-21 ProductDescription : Founded in the 2000s, Jetech boasts a comprehensive range of tools with a strong focus on professional industrial-grade tools. Engineered for durability and performance, the Jetech 3/8 Inch Drive 21mm Standard Impact Socket is constructed from high-quality cr-mo alloy steel. Through a meticulous process of cold forging and heat treatment, this socket can withstand heavy-duty use in a variety of applications. The 6-point socket opening provides a precise fit on fasteners. Easily determine the size of each impact socket with clear markings on the surface. Radius corner design protects the fastener and socket, prolonging their lifespan. With a black phosphating finish for added protection against corrosion, this metric socket is a reliable choice for any project. ProductSiteLaunchDate : 2019-11-04T03:51:09.501Z Scent : Bergamot and & Ylang Ylang Size : 21mm StreetDate : 2015-02-10T00:00:01Z Style : 1/2-Inch Square SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1