The Vertex pen design now is equipped with the robust a bolt action mechanism. So, if you love the rugged, faceted, hexagonal nuts and bolts design of the Vertex Click Pen, you will love this new Bolt Action style. The reliable Bolt Action mechanism smoothly advance and retracts to securely lock the refill in place. And just like the original. It uses a Parker style refill for smooth writing performance.
What makes the Vertex style so popular is the hexagonal grip that nests nicely
