The external hook is used for fishing all kinds of ropes, lifting bail, hollow short cylinders, short rope slings, etc from the casing or tubing. When using, the external hook can be inserted into the ropes or other fishes, then pick up the drilling tool and the hook tooth will hook the fishes and take them to the ground.
|Max. OD |
|Connection||Laying down casing/tubing|
|73（2-7/8）||2-3/8 UP TBG||3-1/2tubing|
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