The Blind Box is used to deliver downward jarring blows.
For heavy downward jarring to move obstructions downhole, add sufficient stem weight. Choose the correct blind box O.D. to cover the area of obstruction, ensuring the blind box is not too large to pass any restrictions that maybe encountered. If using the Blind Box to retrieve lost wire, ensure the diameter is large enough to stop wire from passing beside the Blind Box in the well bore.
* Inquire about Quick Connect fluted or custom sized Blind Boxes *