Specification AgeRangeDescription : adult Brand : M & J Tooling LLC BulletPoint1 : Lightweight and highly reliable thread ring gauge BulletPoint2 : Easy to operate and maintain BulletPoint3 : After aligning the ring gauge with the measured thread, rotate the gauge with the thumb and forefinger BulletPoint4 : In the free state, the thread passes through the whole length, otherwise it is judged as failing BulletPoint5 : Turn the ring gauge with the thumb and forefinger and screw it into the thread within 2 pitches, otherwise it will be judged as unqualified Color : One Color ExternallyAssignedProductIdentifier : 7610982360202 ItemName : New M30 X 1.5 6g Vermont Thread Ring GAGES 30 GO NO GO P.D.'S = 28.994 & 28.844 - DW34508VTG ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC ModelName : SKESTORE ModelNumber : SKESTORE NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : DW34508VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDTHREAD RINGGAGES.