Specification Brand : Martin Tools BulletPoint : Open Double End BulletPoint1 : Size - Wrench Sizes: 5/16"; Drive Sizes: 3/8"; Total Length: 37mm / 1.46"; Square Hole Size: 9.5mm x 9.5mm / 0.37" x 0.37"(L x W); Package Include: 2 x Drive Crowfoot Wrenches. BulletPoint2 : Material - The flare nut crowfoot wrench is made of the preferred 40Cr steel, which has high hardness, strength and good wear resistance, able to withstand greater torque and pressure without deformation or damage. It adopts a surface treatment of chrome plating, with a smooth and flat surface without burrs, enhancement rust and corrosion resistance, strong and durable, suitable for various working environments. BulletPoint3 : Feature - Rounded head design of the open-end wrench eliminates any stripping or splitting of the wrench and ensures a snug fit on fasteners, helping to get the job done efficiently. The corresponding size is engraved on each wrench in clear fonts for easy identification. BulletPoint4 : Application - Widely used for hard-to-reach fasteners that ordinary open-end wrenches cannot reach, they are connected to drive ratchets, extension rods or torque wrenches and are suitable for work in tight spaces, such as narrow engine areas in cars, mechanical equipment, and hard-to-reach areas under sinks. BulletPoint5 : Notice - To achieve better working results, please select a crowfoot wrench of the corresponding size and ensure that the set matches the tool. Install the selected crowfoot wrench head correctly on the wrench handle and ensure that it is firmly installed to avoid loosening or falling off during use. Maintain a stable connection between the crowfoot wrench and the workpiece during use to avoid slipping or deflection that may cause damage. BulletPoint6 : Product 2: Key sizes: 1/2, 3/8, 5/16, 1/4, 7/32, 3/16, 5/32, 9/64, 1/8, 7/64, and 3/32-Inch BulletPoint7 : Product 2: High-leverage blades open independently up to 270 degrees BulletPoint8 : Product 2: Hex-key ends are square-cut for a secure, full-depth fit and maximum contact with the socket to prevent slippage and stripping Color : Silver CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 697950142821 ExternallyAssignedProductIdentifier2 : 0697950142821 ExternallyAssignedProductIdentifier3 : 00662679978273 FinishType : Powder Coated GpsrSafetyAttestation : 1 IncludedComponents : wrench IncludedComponents1 : 1/4" Drive Crowfoot Wrench 7/16" - Open End IncludedComponents2 : 1/4" Drive Crowfoot Wrench 7/16" - Open End IncludedComponents3 : 1/4" Drive Crowfoot Wrench 7/16" - Open End IncludedComponents4 : 1/4" Drive Crowfoot Wrench 7/16" - Open End IncludedComponents5 : 1/4" Drive Crowfoot Wrench 7/16" - Open End ItemDisplayDimensions_Height : 8.25 inches ItemDisplayDimensions_Length : 7 millimeters ItemDisplayDimensions_Width : 9.5 inches ItemDisplayWeight : 0.35 pounds ItemLength : 6.875 inches ItemName : Double Head Open End Wrenches - 7/16 x 9/16 de wr ItemPackageDimensions_Height : 0.47 inches ItemPackageDimensions_Length : 5.51 inches ItemPackageDimensions_Width : 3.94 inches ItemPackageQuantity : 1 ItemShape : Rectangular ItemTorque : 100 newton_meters ItemTypeKeyword : open-end-wrenches Manufacturer : Martin Tools Material : Alloy Steel Material1 : Blend Material2 : Blend Material3 : Blend Material4 : Blend Material5 : Blend MeasurementSystem : inch ModelName : J4714CF ModelNumber : 276-1725A NumberOfItems : 1 NumberOfPockets : 2 OperationMode : Mechanical PackageLevel : unit PartNumber : 276-1725A Pattern : Solid ProductDescription : 276-1725A Features: -Opening Type: Open/Open. -Head Angle: 15°. -Handle Type: Flat. -Material: Forged Alloy Steel. Use: -Open End Wrench. Size: -7/16"/9/16". Quantity: -Single. Measurement Type: -SAE. Product Type: -Wrenches. Dimensions: Overall Product Weight: -0.13 Pounds. ProductSiteLaunchDate : 2008-10-09T06:59:59-00:00 Size : One Size SkipOffer : 1 Style : Classic SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable UnitCount : 1 UnspscCode : 27111700