Internal Hooks

Internal Hooks The internal hook is used for casings or tubing to catch a variety of ropes and other fisher such as wire lines, cables of well logging, steel pieces, paraffin cutters etc. Internal hooks are available in two types: Adjustable internal hook and fixed internal hook. During use process, the internal hook inserted into ropes or other falling objects, when pick up the drill stem, the falling objects was hooked by hook tooth then taken to the ground.