Specification Brand : Ylwxzenith BulletPoint1 : Wide Application Scope: Ideal for mechanical engineering, automotive manufacturing, aerospace, and construction engineering, this nut and bolt thread checker offers versatile usage. BulletPoint2 : Portable Design: Featuring drilled holes and non-slip pads, this bolt size and thread identifier is easy to carry, mount on walls, or place on benches for convenient access. BulletPoint3 : sturdy Aluminium Alloy: Crafted from high-quality aluminium alloy, this metric bolt and nut gauge ensures long-term durability and high accuracy thread machining in various working conditions. BulletPoint4 : Precise Length Measurement: Equipped with a side ruler, this bolt and nut identifier gauge accurately measures the length of screws, nuts, and tools, streamlining your workflow. BulletPoint5 : Efficient Size Identification: Quickly identify 18 different metric and inch nut and bolt sizes with this screw bolt size and thread gauge, optimizing your efficiency on the job. Color : As the Pic Show ExternallyAssignedProductIdentifier : 7617510971046 ItemName : Nut and Bolt Thread Checker, Aluminium Alloy Material, Accurate Metric Screw Bolt Size and Thread Gauge, Easy Carry with Drilled Holes, Non Slip Pads, Side Ruler for Length Measu ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 24 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-gauges Manufacturer : Ylwxzenith Material : Aluminum alloy ModelNumber : Ylwxzenithnyeg30fopu NumberOfItems : 1 PartNumber : Ylwxzenithnyeg30fopu ProductDescription : Item Type: Nut And Bolt Thread Checker Material: Aluminum Alloy Thread Identification: 18 Metric and Imperial Sizes Drill Size Measurement: 3/-1/2in Length Measurement: Includes Side Ruler