Jack (tool)

Hydraulic jack

A jack is a tool for lifting heavy items. There are many kinds of jacks.

• Car jack or automotive jack - For lifting vehicles.
• Scissor jack - The lifting mechanism is shaped similar to a pair of scissors.
• House jack - A jack which can lift small buildings that are made of wood or similar lightweight material.
• Hydraulic jack - Uses a liquid that is forced into a cylinder by a pump plunger.
• Inflatable jack - An airbag-like jack that lifts its load when filled with compressed air.
• Bottle jack - A jack with a cylindrical body and a bottle-like neck.