Specification Brand : IRWIN BulletPoint1 : Built for maximum durability and long life with impact drivers BulletPoint2 : Ball retention design for quick-change applications BulletPoint3 : Forged socket body for additional strength BulletPoint4 : Black oxide finish resists corrosion and increases life of bit BulletPoint5 : 1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks Color : Black CompatibleFastenerDescription : 0.5 inches DriveSystem1 : Square DriveSystem2 : Hex ExternallyAssignedProductIdentifier1 : 042526930010 ExternallyAssignedProductIdentifier2 : 0042526930010 ExternallyAssignedProductIdentifier3 : 00042526930010 FinishType : Black Oxide Finish ItemLength : 6 inches ItemName : IRWIN Tools 1899891 Impact Performance Series Hex Shank to Square Drive Socket Adapter, 1/4-Inch Hex to 1/2-Inch Square, 6-Inch Length ItemPackageDimensions_Height : 1.524 centimeters ItemPackageDimensions_Length : 23.876 centimeters ItemPackageDimensions_Width : 4.572 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : square-drive-sockets Manufacturer : IRWIN Material : Metal MeasurementSystem : Inch ModelNumber : 1899891 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : 1899891 ProductDescription : * Bits made of premium S2 alloy steel for superior hardness and great rust resistant. * Chrome vanadium steel socket for high strength and superior torque. * Notched drive ends fit any 1/4-inch drive ratchet or extension, preventing them from falling off. * Its chamfered end easily slides into fasteners, reducing wear. * Wide application in DIY hand-making, household maintenance, and most general repairs.