While a slickline is a thin cable introduced into a well to deliver and retrieve tools downhole, a wireline is an electrical cable used to lower tools into and transmit data about the conditions of the wellbore. Usually consisting of braided cables, wirelines are used to perform wireline logging, as well. Availability of various sizes of mechanical tools. Otis and Camco manufactured running and pulling tools both for setting and retrieval of downhole tubing accessories. Fishing tools like wire grab, Bowen wire finder, fishing clamp etc designed to work in oil and gas wells. Hydraulically operated jars are also available and can be run- in-hole to carry out an activity depending on the nature of the job