Knuckle Joint

Knuckle Joint is a wireline accessory used to provide flexibility within the Wireline Tool String. The Knuckle Joint has a built in double fishneck as standard. Whenever Stem and Jar are not aligned or not moving freely it is impossible to operate tools. However adding Knuckle Joint in a string this situation can be avoided. For additional flexibility additional Knuckle Joint can be included between Stem and Jar.

Other sizes are available on request.