Specification Brand : M & J Tooling LLC BulletPoint1 : Keychain attachment: attach it to your keychain for convenient access and storage, so you never have to worry about losing it,nut and bolt keychain measuring machine,screw thread identifying gauge BulletPoint2 : Versatile application: suitable for a wide range of , from professional mechanics to home DIY projects, making it a valuable tool for everyone,nut bolt thread checker,multi thread gauge BulletPoint3 : Versatile use: ideal for both professional and personal use, this keychain tool is for mechanics, DIY enthusiasts, and anyone needing quick measurements,thread size keychain,portable precise thread size keychain BulletPoint4 : Timesaving efficiency: save time by quickly determining the size of bolts and threads without the need for multiple tools,bolt size finder keychain gauge,very large thread checker BulletPoint5 : Quick: quickly determine the size of bolts and threads, saving you time and effort in your projects,shutter bolts,bolt and nut gauge IncludedComponents : Premium Disc and Rotor/Ball Joint Gage ItemDisplayWeight : 0.88 pounds ItemName : New 5/16 24 UNJF 3A Vermont Thread Ring GAGES .3125 GO NO GO PDS= .2854 & .2827 - MS7147VTG ItemPackageDimensions_Height : 0.87 inches ItemPackageDimensions_Length : 5.16 inches ItemPackageDimensions_Width : 1.14 inches ItemPackageQuantity : 2 ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC Material : steel MeasurementAccuracy : 0.001inch ModelNumber : 04112XW22E NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : MS7147VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD RINGGAGES.