Third Coast Gage & Calibration delivers a rich range of Api 5B Plug, Thread Gage and also offers Thread Gage Calibration to improving the effectiveness of our process and providing on time products to customers. With the highest quality Api 5B Plug & Thread gage, We are working continuously for to provide each Plug and gage to meet your needs. Our Api 5B Plug is specially designed to measure the functional size of an internal or external thread effectively and smoothing fit, at that point the part is viewed as usable. It is also an ideal choice for API Tubing, API Casing, and API Line Pipe Couplings. To learn about more, visit www.thirdcoastgage.com