Blanks is/are the material(s) that make up the colored tubular sections of the pen.
A pen requiring 2 blanks is shown on the left below. The upper and lower blank.
A pen requiring 1 blank is shown on the right below.
Embedded Files
Blanks is/are the material(s) that make up the colored tubular sections of the pen.
A pen requiring 2 blanks is shown on the left below. The upper and lower blank.
A pen requiring 1 blank is shown on the right below.