Measure the stoma to determine the cutting Disc size required. (Use the measuring rule as shown).
Step 2 - Punch
Screw the Cutting Disc onto the Pliers. Position the Cutting Disc on the skin barrier/wafer, with the cutting edge against the wafer material not the adhesive cover, squeeze and slightly twist so the Cutting Disc clips out a neat hole with clean edges. Sometimes the cut is clean, but the adhesive cover does not cut. Simply peel the cut section from the wafer