JO type pry bar.

21-Feb , 25

Lifting handling belt wheel crowbar 3T/5T bearing pry bar high hardness crowbar JO type high carbon steel crowbar.

A crowbar is a labor-saving tool that uses the lever principle to pry up heavy objects from the ground and displace them. And lifting crowbar, that is, with the small tank in lifting heavy objects used in a crowbar, the crowbar is more light and labor-saving, at the same time with bearings, after lifting heavy objects can be appropriate sliding shift, test handling work.

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DESCRIPTION

Pry bar is a lever, but save effort or save distance, to see the power arm and the length of the resistance arm comparison, power arm > resistance arm, for force saving lever, power arm < resistance arm for distance saving lever, power arm = resistance arm, lever neither save effort, nor save distance. Generally, the pry bar is used to lift heavy objects. The resistance arm is the power arm, which is the labor-saving lever.

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JO type pry bar

JO type pry bar.

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