Corkscrew of the type that includes a handle on which are hinged a worm and two individual levers (300, 400) fork-mounted around the same axis secured to the handle and pre-formed to provide two notches or two fulcra (310, 410) that are required to extract a cork inserted in the neck of a bottle, in two steps, the first lever including two portions: a first portion of the first lever located close to the rotational axis, being linked to a first end of said axis and having a U-shaped profile, forms on its second distal end a fulcrum acting as a first notch on the neck of the bottle for the first extraction step; a second portion of the first lever secured to the first portion of the first lever extending from the first portion of the first lever beyond its fulcrum and forming a mechanical stop entering into contact with the cylindrical surfaces of the neck of the bottle; the second lever also includes two portions: a first portion of the second lever located close to the rotational axis and linked to said axis; a second portion of the second lever linked to the first portion of the second lever, having a U-shaped profile, and the distal end of which forms a fulcrum acting as a second notch or fulcrum against the neck of the bottle for the second extraction step; said second portion of the first lever being pre-formed such as to be inserted in said second portion of the second lever and form a fulcrum against the cylindrical surfaces of the neck of the bottle when the corkscrew moves from the first notch to the second notch such that said first notch does not protrude in relation to the second notch and such that said first notch does not hinder said movement, characterised in that said second portion of the first lever extends further in length than said second lever. a first portion of the first lever located close to the rotational axis, being linked to a first end of said axis and having a U-shaped profile, forms on its second distal end a fulcrum acting as a first notch on the neck of the bottle for the first extraction step; a second portion of the first lever secured to the first portion of the first lever extending from the first portion of the first lever beyond its fulcrum and forming a mechanical stop entering into contact with the cylindrical surfaces of the neck of the bottle; the second lever also includes two portions: a first portion of the second lever located close to the rotational axis and linked to said axis; a second portion of the second lever linked to the first portion of the second lever, having a U-shaped profile, and the distal end of which forms a fulcrum acting as a second notch or fulcrum against the neck of the bottle for the second extraction step; said second portion of the first lever being pre-formed such as to be inserted in said second portion of the second lever and form a fulcrum against the cylindrical surfaces of the neck of the bottle when the corkscrew moves from the first notch to the second notch such that said first notch does not protrude in relation to the second notch and such that said first notch does not hinder said movement, characterised in that said second portion of the first lever extends further in length than said second lever.