Inspector is measuring thickness of the pipe material from near to weld with a portable ultrasonic wall thickness measurement gauge. It is a method of performing non destructive measurement (gauging). Longsleeve T-shirt #643949002
If you need a timeless long-sleeved t-shirt, this soft long-sleeved crew shirt is the one for you. It has a 100% combed ringspun cotton, 32 singles thread weight, 4.3 oz. fabric weight, a set-in 1x1 baby rib collar and a tear away label.
