For 12mm hose. DIN 3021 18,0-21,5mm.
For 12mm hose
diameter - 2.1 mm, length - 49 mm
diameter - 1.5 mm, length - 40 mm
Diameter - 68cm, Height - 23cm
Maximum drilling capacity 3mm, minimum substrate thickness 0.75mm
By using a special plier, application can be done easily without torque control.