Specification Brand : M & J Tooling LLC BulletPoint1 : Pitch gauge--wide measurement range to meet your needs for measuring tool angles when cutting threads on metal lathes,Measuring Tool BulletPoint2 : Screw measuring tool--fine workmanship, and sturdy, not easy to wear or tear, you deserve to have one,thread pitch gauge BulletPoint3 : Screw pitch gauge--easy to read with clear toothed edges and digital embossing, won't rust easily and has long-lasting durability,screw gauge BulletPoint4 : Screw pitch measuring tool--easy to use with different sizes of threaded inserts for precise measurement of internal and external threads,stainless thread gauge BulletPoint5 : Gauge for fine thread--professional, convenient, accurate measurement, can be used to measure the pitch of threads and external threads,stainless pitch gauge Color : Silver ItemDisplayWeight : 0.12 pounds ItemName : New 2 1/8 12 UN 3B Thread Plug GAGE 2.125 GO NO GO P.D.'S = 2.0709 & 2.0768 - DW34074GFG ItemPackageDimensions_Height : 0.79 inches ItemPackageDimensions_Length : 2.76 inches ItemPackageDimensions_Width : 2.76 inches ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC Material : stainless steel ModelNumber : 15I32WP56LPJBE03EMO NumberOfItems : 1 PartNumber : DW34074GFG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD PLUG GAGE.