The pup joint are used to adjust the height of full length tubing or casing strings, they are also used to asjust the depth of downhole tools. Specifications: Standard: api 5ct Size: 2 3/8", 2 7/8", 3 1/2", 4 1/2" Grade: j55/k55/n80/l80/p110 Length: 2ft/3ft/4ft/5ft/6ft/8ft/10ft/12ft
