Specification Brand : AGPVZUQL BulletPoint1 : Portable Precise Thread Size Checker Keychain: This handy bolt size finder keychain features a keychain design for easy portability. It's a precise and fast thread gauge that can determine thread size in just a few seconds, ensuring convenience on the go BulletPoint2 : Adjustable Opening & Double Scale Design: The thread size checker keychain is a versatile tool that can measure both Metric (8 - 25 mm) and SAE (5/16 - 1") bolt sizes. With an adjustable opening, it's easy to expand or reduce the measuring range. The distinct and precise size scale is clear and easy to read BulletPoint3 : Robust & Durable Materials: Made of stainless steel and aluminum alloy, this portable bolt size finder keychain gauge tool has a multi-layer polished surface. It's smooth, durable, and comes with a keychain for hanging on the belt, ensuring it's always within reach when needed BulletPoint4 : Versatile Usage: Ideal for measuring threads on a wide range of nuts, bolts, and screws, this bolt size finder offers fast and precise measurements. It provides flexibility and convenience in any work environment, making it a must-have sizefinder tool BulletPoint5 : Convenient Keychain Design: Attach this bolt size finder keychain to your keys or belt for easy access. With a keychain for easy measurement at any time, it's always on hand when you need it. Whether you're a professional or a DIY enthusiast, this nut size finder and bolt size tool is a valuable addition to your toolkit Color : Silver Department : unisex-adult ExternallyAssignedProductIdentifier : 7651490582649 ExternallyAssignedProductIdentifier1 : 789344625017 ExternallyAssignedProductIdentifier2 : 0789344625017 IncludedComponents : dial calipers,surveyor's level,pencil ItemName : AGPVZUQL 2PCS Portable Precise Thread Size Checker Keychain,Nut and Bolt Size Finder Keychain Thread Size Verification Tool with Two Vernier Calipers -Silver ItemPackageDimensions_Height : 11.4046 centimeters ItemPackageDimensions_Length : 1.397 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-gauges Manufacturer : China Material : Stainless Steel ModelName : Thread Size Checker Keychain ModelNumber : Thread Size Checker Keychain NumberOfItems : 1 NumberOfPieces : 4 PartNumber : 8*2.4*0.4 PowerSourceType : hand-powered ProductDescription : Hexagon Nut Thread Measuring Gauge Thread Size Quick Manual Measuring Identifier Verification Tool ProductSiteLaunchDate : 2018-08-14T07:00:00.000Z Size : M2.5D5L8 Style : Thread Size Checker Keychain SupplierDeclaredDgHzRegulation : not_applicable Theme : Keychain UnspscCode : 46171515