Specification Brand : M & J Tooling LLC BulletPoint1 : High Quality:The gauges are made of high quality steel with high strength chrome surface heat treatment and good resilience.Anti-rust oil coating to prevent rusting can prevent pitting and corrosion And can be reused BulletPoint2 : SIZE - This gauge includes 32 sheets with a blade length of 100mm for easy portability BulletPoint3 : Easy to use: metric and imperial double marked, with a hole at each end easy adjustment and removal with screws Can easily rotate the blade numbers clearly and legibly BulletPoint4 : Feature: Each sheet has a laser etched dimension and the sheets are tied in a blade protector to prevent loss of individual sheets Accurately measure with little error BulletPoint5 : Wide Application Ideal for designers, engineers, mechanics to measure thrust gap, spark plug spacing, bearing gap, piston ring gap, guitar gap, engine space and other hard-to-reach places Color : silver GpsrSafetyAttestation : 1 ItemName : New 5/16 24 UNF 2B STI Vermont Thread Plug GAGE .3125 GO NO GO PDs = .3395 .3433 - DW31199VTG ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 2 centimeters ItemTypeKeyword : thread-gauges Manufacturer : M & J Tooling LLC Material : Stainless Steel ModelNumber : SC001 NumberOfItems : 1 PartNumber : DW31199VTG ProductDescription : YOU ARE PURCHASING THE PICTURED RIGHT HANDSTI HELICOIL THREAD PLUG GAGE.