How do I identify / assemble the TechLiner Regular length (5.75") Uni-Ball Signo refill kit?

TechLiner Signo Refill Assembly (regular length 5.75")

Parts List

1.  Signo ring magnet*

2.  Signo wave washer x2

3.  Signo refill

4.  Signo Regular length tail spacer

5.  Tail magnet* 

*Magnets are directional. Inserting them reversed will cause the magnetic cap to repel.