1. It can be used as a wrench or socket wrench. It is a special tool for tightening or loosening screws. It is composed of several inner hexagonal sleeves and one or more upper sleeve handles. The inner hexagons of the sleeve are arranged in sequence according to the bolt type, which can be selected according to needs. It is also equipped with handles, extension rods and other accessories, which is especially suitable for screwing bolts or nuts with very narrow positions or deep recesses.
2. The connector is a special product used for mechanical connection of steel bars. It is divided into cold extrusion sleeve, tapered thread sleeve and straight thread sleeve. Can be used to connect ribbed steel bars. It is also a necessary hardware tool for the home, which has the advantages of easy to use and easy to assemble.
