Specification Brand : Urrea BulletPoint1 : DESIGNED FOR TIGHT SPACES - Ideal for working areas where a conventional open-end wrench cannot reach. BulletPoint2 : FORGED FROM USA STEEL - Hot drop forged with tool grade American steel to provide highest quality, longest lasting wrenches available BulletPoint3 : BUILT FOR THE TRADESMAN - Designed for the automotive professional, maintenance technicians, auto and aviation mechanics, professional contractors, iron workers, heavy machinery, the oil and gas industry and more BulletPoint4 : DURABLE SATIN FINISH - Corrosion and rust resistant satin finish provides non-slip grip and enhanced durability for extended tool life BulletPoint5 : 100 YEAR WARRANTY - Pros need tools they can depend on, that's why we offer a 100 year warranty against any manufacturer defect on all Urrea mechanics wrenches and wrench sets Color : Silver ExternallyAssignedProductIdentifier : 6936279526498 ExternallyAssignedProductIdentifier1 : 660731649116 ExternallyAssignedProductIdentifier2 : 0660731649116 ExternallyAssignedProductIdentifier3 : 00660731649116 FinishType : Satin Finish GpsrSafetyAttestation : 1 IncludedComponents : wrench ItemDisplayWeight : 4.41 pounds ItemLength : 390 millimeters ItemName : URREA 3/8" Drive Crowfoot Wrench - 17mm Open End Socket Wrench with Drop Forged Construction & Nickel-Chrome Finish - 4917M ItemPackageDimensions_Height : 9.4 centimeters ItemPackageDimensions_Length : 0.7 centimeters ItemPackageDimensions_Width : 3.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : open-end-wrenches Manufacturer : Urrea Material : Carbon Steel Material1 : Alloy Steel Material2 : Iron MeasurementSystem1 : metric MeasurementSystem2 : inch ModelName : Multi-Function Lock Spanner Wrench ModelNumber : 4917M OperationMode : Mechanical PartNumber : 4917M ProductDescription : Crafted from carbon steel and fortified by heat treatment, these wrenches have maximize durability, resisting wear, corrosion, and deformation. The nickel plating prevents rust and ensures smooth operation every time. The standard open end wrench with added thickness ensures a firmer grip on nuts and bolts for better torque transmission and reduced slippage, making your tasks easier, faster, and safer. Clearly stamped size indicators ensure swift selection and effortless identification. The extra hole on the opposite end designed to accommodate an extension bar, allowing for increased leverage and for convenient storage options. Widely applicable in automotive repairs, plumbing, furniture assembly & repair, machinery maintenance,construction and DIY projects. Single open end spanners are useful tools primarily used for tightening or loosening nuts and bolts with flat sides, especially in situations where a socket wrench or adjustable wrench cannot reach due to space constraints. Always use the correctly sized wrench to avoid rounding off bolt heads or damaging the wrench.