Specification Brand : uxcell BulletPoint1 : [Included] - 1/2" drive 20mm 6-point socket, 8" total length; 1/4" hex shank, 2.87" length socket adapter. BulletPoint2 : [Extra Long Depth] - Provide more space to accommodate longer bolts and a wider range of applications to convenience your work. BulletPoint3 : [Secure/Firm] - Spring-loaded ball to retain sockets and prevent them from dropping. BulletPoint4 : [CR-V Steel] - Made of heat-treated chrome vanadium steel to improve strength and durability, with polished and electrophoresis finish to prevent rust and corrosion. BulletPoint5 : [Hex Shank Socket Adapter] - Attach to any powered / cordless drill chuck or impact driver to turn it into a high-speed nut driver. Color : 2pcs CompatibleFastenerDescription : 0.5 inch DriveSystem : External Hex DriveSystem1 : Square DriveSystem2 : Hex ExternallyAssignedProductIdentifier1 : 880106680739 ExternallyAssignedProductIdentifier2 : 0880106680739 ExternallyAssignedProductIdentifier3 : 00042526930010 FinishType : Electrophoresis Finish,Polished ItemDisplayWeight : 0.3 pounds ItemLength : 8 inches ItemName : uxcell 1/2" Drive Socket Accessory Set, 20mm Deep 6-Point Impact Socket 8" Length and 1/4" Hex Shank Adapter ItemPackageDimensions_Height : 20.32 centimeters ItemPackageDimensions_Length : 2.54 centimeters ItemPackageDimensions_Width : 10.16 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : triple-square-drive-sockets Manufacturer : uxcell Material : Chrome Vanadium Steel MeasurementSystem : Inch ModelNumber : a22011400ux0954 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : a22011400ux0954 ProductDescription : 1. Made with chromium-vanadium steel forging, high strength and good wear resistance, durable to use. 2. Hex Shank Socket Adapter: Designed to provide a securely locking extension for your existing tool. Provide extra length to access hard-to-touch spaces. The spring ball lock ensures a tight fit into the drive head to prevent slipping during use. Specifically machined to be securely installed in a handheld screwdriver, drill driver or impact wrench. 3. 6-Point Socket: Has 6-point opening that snugly fits the hex shape of fastener heads, allowing it to apply maximum torque without slipping. The through-hole in the drive end locks onto the tang of impact wrenches or drivers so it won't fall off or stick on fastener heads. 4. For disassembly and tightening of hexagon head bolts and nuts, especially suitable for requiring large torque and narrow space. The product has no insulation properties and is not suitable for electrical environments.