Diaphragm drift tool for Scubapro

To make the removal and installation of the high-pressure seats as well as the small backup O-ring and washer in the body of the Scubapro MK11, MK16, MK17, MK18 / Tusa R400 a piece of cake.
When removing the high-pressure seat use the air gun from the top side of the first stage and the tool from the bottom side to remove the HP seat.