Specification Brand : HARFINGTON BulletPoint1 : Size - 1/2" (12.5mm) square drive, 27mm 12-point socket, 42mm (1.65") total length. BulletPoint2 : Material - The 12-point socket is made of CR-V (chrome vanadium steel) material, which has high hardness and strength after heat treatment. The surface is chrome-plated and mirror-polished to prevent corrosion and rust. BulletPoint3 : Feature - 12-point opening is suitable for double hex (12-sided), hex and square fasteners, can grab fasteners quickly at multiple angles, and is used with a 1/2" ratchet handle to prevent the socket from falling off. BulletPoint4 : Application - The 12-point socket is widely used in automotive maintenance, electrical maintenance, plumbing maintenance, mechanical maintenance, fitter assembly, home maintenance, etc., and can remove tamper-proof nuts, cylinder head bolts and other engine bolts. BulletPoint5 : Package Content - You will receive 1pcs 12 point socket. The arc angle design allows the socket to grasp the flat surface of the fastener instead of the corner, thereby reducing the wear of the fastener. BulletPoint6 : Beveled inner rim of the socket opening helps guide it smoothly onto fasteners Color : Multi CompatibleFastenerDescription : Double hex (12-sided), hex, and square fasteners, 1/2" (12.5mm) square drive, 27mm 12-point opening DriveSystem : Square ExternallyAssignedProductIdentifier : 4977292851619 ExternallyAssignedProductIdentifier1 : 613364070154 ExternallyAssignedProductIdentifier2 : 0613364070154 ExternallyAssignedProductIdentifier3 : 00613364070154 ExternallyAssignedProductIdentifier4 : 0076174767223 ExternallyAssignedProductIdentifier5 : 00076174767216 FinishType : Brushed GpsrSafetyAttestation : 1 ItemDisplayWeight : 0.11 pounds ItemLength : 1.65 inches ItemName : HARFINGTON 1/2" Drive by 27mm 12-Point Shallow Socket 42mm Length Metric Spline Socket ItemPackageDimensions_Height : 1.38 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : triple-square-drive-sockets Manufacturer : HARFINGTON Material : Chrome Vanadium Steel MeasurementSystem : Metric ModelName : DWMT86047OSP ModelNumber : 1/2_27 NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 12 PackageLevel : unit PartNumber : htf240805hh000197 Pattern : Solid ProductDescription : The 12-point socket is made of CR-V (chrome vanadium steel) material, which has high hardness and strength after heat treatment. The surface is chrome-plated and mirror-polished to prevent corrosion and rust. 12-point opening is suitable for double hex (12-sided), hex and square fasteners, can grab fasteners quickly at multiple angles, and is used with a 1/2" ratchet handle to prevent the socket from falling off. The arc angle design allows the socket to grasp the flat surface of the fastener instead of the corner, thereby reducing the wear of the fastener. The 12-point socket is widely used in automotive maintenance, electrical maintenance, plumbing maintenance, mechanical maintenance, fitter assembly, home maintenance, etc., and can remove tamper-proof nuts, cylinder head bolts and other engine bolts.