Step 2 Carefully push out the neck from its position on the cardboard stamp.

A) Insert two 7cm axles with two spacer rings fitted, at the top and bottom of the neck as indicated at point "A" in the picture on the right.
B) Place the prepared syringe axles at the points indicated by the letter "B".
C) Fit and glue in position the 2 spacer tubes as indicated by "C".