Venev Gemini Series Boxed Set "Pollux" includes six 6" curved diamond stones: F80, F150, F240, F400, F800, and F1200. The set comes in an exclusive storage box.

Venev Gemini Series Curved Diamonds are designed for sharpening inwardly curved blades in sharpening systems such as Hapstone and TSProf. Diamond sharpening stones deliver excellent performance on knives made of any steel.

Gemini Series Generation 2 is updated curved diamonds featuring Metal Matrix Composite (MMC) binders. MMC is a new generation of metallic binders. Gemini Gen.2 utilizes a reinforced copper–tin bronze alloy MMC: MS1 binder for F80–F800 grits and MB1 binder for F1200.

Gemini stones consist of a diamond-bearing layer with curved working surface on a metal backing. The diamond-bearing layer contains evenly distributed diamond grains with metal bonding. Metal bonding gives the sharpening diamond stone a long lifespan.

All Venev Diamonds use FEPA-F grit classification.