• Medium tension safety membrane
• Vent hole in the side of the cartridge provides superior ink flow
• Compatible with all styles of cartridge grips and pen machines
• 20 needles per box
• Medical grade plastic used for superior quality
• 304 stainless surgical steel
• Available in #10 gauge (0.30mm) and #12 (0.35mm) – some sizes are available in a larger #14 gauge (0.40mm) or smaller bugpins - #4 (0.17mm), #6 (0.20mm), and #8 (0.25mm)

Product Description:  Designed by Carlos Torres and Franco Vescovi, Bishop DA Vinci V2 Cartridges feature a medium tension safety membrane, provide superior ink flow and are compatible with all cartridge grip types and pen style machines.