Introduction

       Internal Hook

The internal hook is a fishing tool used for fishing of all kinds of ropes and others fishes such as wireline, cable, logging wireline and paraffin cutler from inside casing or oil tube.

The internal hook is available in different structure according to different fish to be caught, generally it has two types: dead hook and live hook type.

External Hook

The external hook is used inside casings or tubings to catch all kinds of ropes, lifting bails, hollow short cylinders, short rope slings such as wirelines, logging steel pieces, cables, etc.