Specification Brand : Capri Tools BulletPoint1 : Trusted by professionals, the Capri Tools high performance sockets are what you need for the job at hand BulletPoint2 : Premium Chrome Molybdenum steel tempered with our proprietary heat treatment process to withstand more torque from power tools BulletPoint3 : Expertly coated with manganese phosphate, the preferred coating in military and aerospace; it offers superior protection and corrosion resistance compared to black oxide coating on other impact sockets BulletPoint4 : 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage BulletPoint5 : Single semi-deep length, 3/8 in. drive, 5/16 in. size socket CompatibleFastenerDescription : 0.375 inch DriveSystem : Square ExternallyAssignedProductIdentifier1 : 886352531504 ExternallyAssignedProductIdentifier2 : 0886352531504 FinishType : Manganese Phosphate Coated ItemDisplayWeight : 0.12 pounds ItemLength : 1.57 inches ItemName : Capri Tools 3/8 in. Drive 5/16 in. Semi-Deep Impact Socket ItemPackageDimensions_Height : 17.2 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : triple-square-drive-sockets Manufacturer : Capri Tools Material : Chrome Molybdenum Steel MeasurementSystem : Imperial ModelName : CP53150 ModelNumber : CP53150 NumberOfBoxes : 1 NumberOfPieces : 1 PartNumber : CP53150 ProductDescription : Made of chrome vanadium steel for strength and durability. With black phosphate finish, prevents rust and corrosion. Has a 6-point opening, it can fit tightly to the hexagon of the fastener head so that the maximum torque can be applied without slipping. To prevent round-off under stress, it grips the flat sides of the fastener head rather than the corners. 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. Widely used in DIY hand-making, household maintenance, and most general repairs. Specifications: Socket Size: 23mm Drive Size: 1/2-inch Total Length: 40mm / 1.57-inch Material: Chrome Vanadium Steel (CR-V) Finish: Black Phosphate Color: Black