Bishop Da Vinci V2 Cartridges #10 Long Taper Bugpin Round Liner Size:7 the Cheyenne Safety Cartridge features

the Cheyenne Safety Cartridge features a shelf-life of up to 5 years and an internal membrane system that prevents ink back flow

True Grip Hexagrips - Disposable

and are compatible with all cartridge grip types and pen machine styles

Brass Foot Switch features a Custom Engraved Eagle Design by Milton Zeis

and most of all reliable

Bishop Da Vinci V2 Cartridges #10 Long Taper Bugpin Round Liner Size:7 the Cheyenne Safety Cartridge featuresBishop Da Vinci V2 Cartridges, designed by Carlos Torres and Franco Vescovi, feature a medium tension safety membrane, unique vent hole that provides superior ink flow, and are compatible with all cartridge grip types and pen machine styles.