Spiral jacks are commonly used lightweight lifting equipment, consisting of a base with nuts, lifting screws, the top head for lifting heavy objects, and the handle for rotating the lifting screws. They are widely used in places such as cars, bridges, docks, factories, etc., with simple operation and convenient carrying.

The screw jack is placed on a sturdy and flat ground, and the screw rod is pressed evenly with force. The sleeve rises along the shell, and the lifting height should not exceed the marking line on the sleeve or piston to prevent the sleeve or piston from falling off; When the jack is lowered, pull the directional lever to slowly lower the sleeve.

The screw jack is easy to use, easy to operate, safe and labor-saving, with a fast lifting speed and strong lifting force. It can also be operated horizontally and is loved by a large number of users.