Injection equipment with a dosing device with multiple anti-rotation.

Drive module and dosage for an injection device, comprising: a) a metering element (4), which is displaceable for adjusting the dose of product for a drive part (3) to a multi-position metering , b) of which one, between the drive part (3) and metering element (4) forms multiple metering stops (8) axially at different heights, and the rotation stops (5) assigned to the metering stops (8), c) other forms, between the drive part (3) and metering element (4) at least one selector element (6), d) and wherein the drive part (3) is displaceable transiently respect to the dosing member (4) to the release position, in which the at least one selector element (6) is in contact with one of the metering stops (8), e) at position release the at least one selector element (6) blocks, with the rotation stops (5), the rotation of the dosing member (4) in both directions of rotation.