The pen is textured for increased handling. Handcrafted by Japanese sculptor, jewelery maker and pen maker Hidetoshi Nakayama. Full steel construction with a vintage antique patina and hand textured finishes. The pen retracts and locks both in the open and closed position. This is not a firearm or a cutting tool.
The ball point pen cartridge is a - Caran d'Ache of Switzerland, Giant Cartridge Goliath, 8428.000 Medium Black. The refill is easily changed by unscrewing the end.