Use a Crow Bar as a Wedge or a Lever against a nearby fulcrum to cause or block movement. Also when a shaft is rusted into a tube and you need to crack the corrosion to lever it out.

• Stop assemblies moving.

• Lever a shaft out of a tube.

• Cheap ones will bend or fracture.

• Consider a set with various lengths and thicknesses.

• Always wear eye protection.

• Consider impact protecting gloves.