Pruning shears comprising: a cutting head with a spring-loaded blade connected to a counter blade pivotally about a hinge point, the counter blade acting in cooperation with the blade for cutting a workpiece received in a jaw provided by the counter blade, a drive mechanism connected to the cutting head, an elongated handle connected to the drive mechanism, which comprises a first and a second counterpart (32, 34), optionally rotating with respect to one another about an axis, allowing the cutting head to be adjusted with respect to the elongated handle, whereby the first counterpart is connected to the elongated handle and the second counterpart is connected to the cutting head, a first wheel rotating about an axis, a drive line (60, 62) arranged to rotate the first wheel when the drive line (60, 62) is drawn, characterized in that the drive mechanism also comprises: a second wheel which comprises a first guide surface and is rotatable about the axis together with the first wheel, a second guide surface in functional connection with the blade, a third guide surface provided at the first counterpart of the handle part, an upper line arrangement comprising an upper line (64, 66, 68, 70, 72) connected via the second guide surface between the first guide surface and the third guide surface in such a manner that the upper line (64, 66, 68, 70, 72) is arranged to be wound on the first guide surface when the second wheel rotates about the axis to turn the blade about the hinge point, and to be wound accordingly on the first guide surface and off the third guide surface or to be wound accordingly off the first guide surface and on the third guide surface when the cutting head is adjusted relative to the elongated handle. a cutting head with a spring-loaded blade connected to a counter blade pivotally about a hinge point, the counter blade acting in cooperation with the blade for cutting a workpiece received in a jaw provided by the counter blade, a drive mechanism connected to the cutting head, an elongated handle connected to the drive mechanism, which comprises a first and a second counterpart (32, 34), optionally rotating with respect to one another about an axis, allowing the cutting head to be adjusted with respect to the elongated handle, whereby the first counterpart is connected to the elongated handle and the second counterpart is connected to the cutting head, a first wheel rotating about an axis, a drive line (60, 62) arranged to rotate the first wheel when the drive line (60, 62) is drawn, characterized in that the drive mechanism also comprises: a second wheel which comprises a first guide surface and is rotatable about the axis together with the first wheel, a second guide surface in functional connection with the blade, a third guide surface provided at the first counterpart of the handle part, an upper line arrangement comprising an upper line (64, 66, 68, 70, 72) connected via the second guide surface between the first guide surface and the third guide surface in such a manner that the upper line (64, 66, 68, 70, 72) is arranged to be wound on the first guide surface when the second wheel rotates about the axis to turn the blade about the hinge point, and to be wound accordingly on the first guide surface and off the third guide surface or to be wound accordingly off the first guide surface and on the third guide surface when the cutting head is adjusted relative to the elongated handle. a second wheel which comprises a first guide surface and is rotatable about the axis together with the first wheel, a second guide surface in functional connection with the blade, a third guide surface provided at the first counterpart of the handle part, an upper line arrangement comprising an upper line (64, 66, 68, 70, 72) connected via the second guide surface between the first guide surface and the third guide surface in such a manner that the upper line (64, 66, 68, 70, 72) is arranged to be wound on the first guide surface when the second wheel rotates about the axis to turn the blade about the hinge point, and to be wound accordingly on the first guide surface and off the third guide surface or to be wound accordingly off the first guide surface and on the third guide surface when the cutting head is adjusted relative to the elongated handle.