The manual tongs are designed and manufactured according to API Spec 7k Specification. Manual Tongs/Elevator Links/Elevator" which is a useful tool applied ton, make up and break out drill pipes, coupling hoop of the drill pipe, joint, casings, casing hoops etc. When raise drill tool up and fall it down. Changing lug jaws and handling shoulders or hole can adjust the handling size of the tongs. There are type B, type SB, type DB, type LF, type C and casing manual tongs. According to the requirements of the usage different torque's tongs can be chosen.