Sostanza Pen gets open and closed with a twist, but it does not look like any other snap pen. Its winding and exact mechanism satisfies the eye and the mind in a game of complementary shapes. It is entirely made of solid aluminum; in the Shadow Black version, the two parts are anodized with different finishes to create an attractive tone-on-tone effect. A unique and sophisticated object to treasure, love, and recharge.

Refill: Cross - black ink

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