Wireline Knuckle Joint / Universal Joint

Knuckle Joints are used to add flexibility to the tool string and Knuckle Joints are effective in deviated wells. 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. Knuckle Joints are run immediately below Mechanical Jar. For additional flexibility additional Knuckle Joint can be included between Stem and Jar.

     Note: More sizes available on request.