Pressing or crimping pliers comprising a) a fixed pliers part with a fixed hand lever and a fixed pliers jaw and b) a movable hand lever which is coupled by a driving mechanism to a movable pliers jaw in a way such that it is possible to induce a closing movement of the pliers jaw by a pivoting movement of the movable hand lever towards the fixed hand lever, a workpiece being crimped or pressed with the closing movement of the pliers jaw, c) an additional lever being provided and the additional lever being coupled by a driving connection to the movable pliers jaw in a way such that it is possible to induce an opening movement of the pliers jaw into an insertion and/or removal position by a pivoting movement of the additional lever, the driving connection being a fixed connection of the additional lever to the movable pliers jaw, characterised in that d) the additional lever is arranged in the region which is accessible for a hand which surrounds or encloses the fixed hand lever and/or the movable hand lever or in the region which is accessible for a finger of this hand where da) the additional lever is an additional hand lever which is arranged between the fixed hand lever and the movable hand lever or db) the additional lever extends outside from the interspace between the two hand levers (5, 8) and extends in upward direction from a housing of the crimping pliers formed by fixed pliers plate parts, the additional lever being designed and arranged such that when the hand of the user is positioned on the fixed hand lever an actuation of the additional lever is possible by a finger, in particular a thumb of the hand. a) a fixed pliers part with a fixed hand lever and a fixed pliers jaw and b) a movable hand lever which is coupled by a driving mechanism to a movable pliers jaw in a way such that it is possible to induce a closing movement of the pliers jaw by a pivoting movement of the movable hand lever towards the fixed hand lever, a workpiece being crimped or pressed with the closing movement of the pliers jaw, c) an additional lever being provided and the additional lever being coupled by a driving connection to the movable pliers jaw in a way such that it is possible to induce an opening movement of the pliers jaw into an insertion and/or removal position by a pivoting movement of the additional lever, the driving connection being a fixed connection of the additional lever to the movable pliers jaw, characterised in that d) the additional lever is arranged in the region which is accessible for a hand which surrounds or encloses the fixed hand lever and/or the movable hand lever or in the region which is accessible for a finger of this hand where da) the additional lever is an additional hand lever which is arranged between the fixed hand lever and the movable hand lever or db) the additional lever extends outside from the interspace between the two hand levers (5, 8) and extends in upward direction from a housing of the crimping pliers formed by fixed pliers plate parts, the additional lever being designed and arranged such that when the hand of the user is positioned on the fixed hand lever an actuation of the additional lever is possible by a finger, in particular a thumb of the hand. da) the additional lever is an additional hand lever which is arranged between the fixed hand lever and the movable hand lever or db) the additional lever extends outside from the interspace between the two hand levers (5, 8) and extends in upward direction from a housing of the crimping pliers formed by fixed pliers plate parts, the additional lever being designed and arranged such that when the hand of the user is positioned on the fixed hand lever an actuation of the additional lever is possible by a finger, in particular a thumb of the hand.