Specification Brand : Ramkle BulletPoint1 : 【Extensive Size Checking】Our nut and bolt thread checker instantly identifies metric thread sizes from M4 x 0.7 to M14 x 2.0, and imperial threads from #6 - 32 Coarse to 1/2 - 20 Fine. Each size comes with both a male thread (for nuts and washers) and a female thread (for bolts and screws) BulletPoint2 : 【Premium Quality】Crafted from CNC-machined anodized aluminum alloy, all pillars are made from hardness SUS304 stainless steel ensuring maximum thread strength and ultimate precision to adhere to the Go & No-Go Class 2B ANSI Standard gauge. BulletPoint3 : 【User-Friendly Design】Built-in ruler with 6 inches and 15 centimeters on both sides, helps you quickly identify different lengths of bolt, screw, nut and washer. Also, its reserved hanging holes facilitate effortless storage and accessibility in your workspace or toolbox. BulletPoint4 : 【Clear Laser Markings】Features protective anodized finish and laser-etched markings for quick, clear and accurate identification of thread sizes. Even elderly people can clearly see the scale, which will never fade. BulletPoint5 : 【Meet Your Need】Say goodbye to the hassle and guesswork that consumes your time, with the Ramkle thread checker, you'll always have the right tool for any project, ideal for mechanical engineers, DIY tool lovers, auto repair, etc. BulletPoint6 : Nut Bolt Thread Checker Sizes Included - Metric thread sizes: M4 x 0.7 -M5 x 0.8 -M6 x 1.0 -M7 x 1.0 -M8 x 1.0 -M8 x 1.25 -M10 x 1.0 -M10 x 1.25 -M10 x 1.5 -M12 x 1.25 -M12 x 1.5 -M12 x 1.75 -M14 x 1.5 -M14 x 2.0. Standard thread sizes: #6 – 32 Fine -#8 – 32 Fine -#10 – 24 Coarse -#10 – 32 Fine -1/4 – 20 Coarse -1/4 – 28 Fine -5/16 – 18 Coarse -5/16 – 24 Fine -3/8 – 16 Coarse -3/8 – 24 Fine -7/16 – 14 Coarse -7/16 – 20 Fine -1/2 - 13 Coarse -1/2 – 20 Fine. BulletPoint7 : Outstanding Post-Purchase Support - We offer an extensive 10-year replacement policy, ensuring comprehensive coverage for your investment. Furthermore, our 24/7 customer service team is always ready to assist, answering queries and ensuring a worry-free shopping experience. Color : Black + Red(14 Inch and 14 Metric) CompatibleGrooveDiameter : 0.5 inches ExternallyAssignedProductIdentifier : 7552960167840 IncludedComponents : Thread Checker ItemName : Thread Checker, Nut and Bolt Thread Checker, Bolt Size and Thread Gauge with 14 Standard & 14 Metric, Thread Pitch Gauge, Aluminum Wall-Mountable Bolt and Nut Identifier Gauge, Black ItemPackageDimensions_Height : 43.688 centimeters ItemPackageDimensions_Length : 2.8956 centimeters ItemPackageDimensions_Width : 11.303 centimeters ItemTypeKeyword : thread-gauges Manufacturer : Ramkle Material : Alloy Steel MeasurementAccuracy : +/-0.5% MeasurementSystem : Inch ModelNumber : gauge-02 NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : g02 ProductDescription : Whether you are a professional mechanic or an enthusiastic DIYer, you don't need to go to the hardware store for comparison! This Ramkle bolt size and thread gauge perfectly combines durability with accurate measuring scales, allowing you to rapidly and easily measure and verify the thread of nuts and bolts simultaneously! Made with premium-grade, rustproof steel, this thread checker will become an essential tool in your kit!