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The retrievable fishing jar is an efficient fishing tool used in oil drilling and well servicing operations, mainly for grabbing and recovering small objects dropped inside the well (such as bolts, plier teeth, scrap iron, etc.). Its unique design allows for safe withdrawal after grabbing, avoiding the risk of tool sticking.

The external hook is a tool used to retrieve various ropes, lifting rings, hollow short cylindrical bodies, short ropes, and other dropped objects from inside casings or tubing, such as steel wire ropes, logging wire, cables, etc.

Concave Bottom Mill is a specialized grinding and milling tool used in petroleum drilling and workover operations, mainly for under-reaming fish top trimming, casing repair, and metal debris grinding. Its unique concave design can improve milling efficiency and protect the wellbore.

Pilot Mill is an efficient grinding and milling tool used in petroleum drilling and well-servicing operations, mainly for precise processing of fish top in the wellbore. It achieves stable grinding through a central guiding structure, creating ideal conditions for subsequent fishing operations.

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