Specification Brand : WorkBless BulletPoint1 : Size - 7mm nut driver, 48mm (1.89-inch) total length. BulletPoint2 : 1/4" Hex Shank - Universal 1/4 inch hex shank fits a variety of quick-change chuck and drill, driver, or screw-gun. BulletPoint3 : Material - Heat-treated chrome vanadium steel construction with a sandblasted finish for increased hardness and corrosion-resistant. BulletPoint4 : Magnetic - Magnetic nut setter can be used with an impact/drill bit driver or hex socket ratchet to firmly grasp the nut and fastener for easy to install or loosen/remove. BulletPoint5 : Application - Widely used in household DIY, woodworking, professional machinery repair, etc. ExternallyAssignedProductIdentifier : 9084628963986 ExternallyAssignedProductIdentifier1 : 721511731916 ExternallyAssignedProductIdentifier2 : 0721511731916 ExternallyAssignedProductIdentifier3 : 00721511731916 FinishType : Nut Driver GpsrSafetyAttestation : 1 IncludedComponents : 1/4" Quick-Change Hex Shank ItemName : WorkBless 1/4" Quick-Change Hex Shank 7mm Magnetic Nut Driver Bit, 1.89" Length 2 Pcs ItemPackageDimensions_Height : 0.55 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 2 ItemTypeKeyword : hex-shank-drill-bits Manufacturer : WorkBless Material : CR-V Steel MeasurementSystem : Metric ModelName : 7mm ModelNumber : 1/4" Quick-Change Hex Shank NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 3 PartNumber : awork000773250401 PowerSourceType : hand_powered ProductDescription : 1. Constructed from forged and quenched chrome vanadium steel with a corrosion-resistant sandblasted finish, high hardness and durable to use. 2. Universal 1/4'' hex shank is suitable for quick-change/release and secure locking of chucks, drill bits, driver and screw-gun. 3. The magnetic pad inside the socket holder, can firmly grasp the hexagonal nut and fastener for easy installation or loosening/removal. 4. Suitable for installation in those hexagonal tools, such as pneumatic screwdriver, electric screwdriver, pneumatic drill, electric drill, manual screwdriver, etc. 5. Can be used for home DIY, woodworking, professional machinery, and professional contractor maintenance.