Specification Brand : Auniwaig BulletPoint1 : 【Chamfered Design】- Chamfered ends insert smoothly into fastener head, reducing wear BulletPoint2 : 【Pin Hole】- Individual pinhole base design adds extra security by placing in a locking pin for stability when exerting strong torque motion especially on automotive projects BulletPoint3 : 【Torque Strength】- Chrome molybdenum steel provides excellent durability and strength with every impact movement; black phosphate finish for extra protection against rust and corrosion BulletPoint4 : 【Ideal Tools】- Use with ratchet to improve speed in tightening hex drive fasteners; And the product has no insulation properties and is not suitable for electrical environments BulletPoint5 : 【Dimension】- 1/2-inch drive socket; H22 (22mm / 0.87-inch) hex bit; 3.07-inch (78mm) total length BulletPoint6 : Weight: 3.1 oz (89 g) CompatibleFastenerDescription : 0.5 inches DriveSystem : Hex ExternallyAssignedProductIdentifier : 4991644075157 FinishType : Black Phosphate Finish ItemLength : 3.07 inches ItemName : Auniwaig Hex Impact Bit Socket, Allen Head Sockets 1/2 inch Drive, 22mm Hex Impact Socket, Cr-Mo Steel, Master Impact Hex Driver ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 2.794 centimeters ItemPackageDimensions_Width : 7.3914 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : square-drive-sockets Manufacturer : Auniwaig Material : Chrome Molybdenum Steel ModelNumber : CU1901T0904HF-FBA NumberOfBoxes : 1 NumberOfPieces : 1 PartNumber : CU1901T0904HF-FBA ProductDescription : Auniwaig Hex Impact Bit Socket Package Content: 1pcs X Hex Impact Bit Socket Specification: Material: Chrome Molybdenum Steel (42) Drive Size: 1/2-Inch Bit Size: H22 (22mm / 0.87-inch) Color: Black Surface Treatment: Blackening Description: 1.Made of high-grade Chrome-Moly steel for strengthen and durable to use. 2.Sockets designed with a pin hole for use with pin and O-ring systems for secure socket retention. 3.To protect against rust and corrosion, the black phosphate finish absorbs and holds oil, repelling moisture. 4.It features a radius corner design, causing the socket to grab the sturdy wall of the fastener instead of grabbing the corners, resulting in less wear on the fastener. 5.Each socket is coated with a black phosphate outer layer for extra protection against corrosion and rust so your tools stay in pristine condition. 6.Wide application in DIY hand-making, automotive repairs, household maintenance, and most general repairs.