50pcs Mast Cartridges, Fast rebound, E.O Gas Sterilized. One piece needle allows for maximum stability and control
Indentation at tip enhances ink flow and saturation. Membrane mechanism prevents ink spitback
Needles made of 316 medical grade stainless steel. Compatible with all standard pen machine and cartridges grips
High toughness silicone rebound maintains its original flexibility and strength with long time work
50pcs Mast Cartridges, Fast rebound, E.O Gas Sterilized. One piece needle allows for maximum stability and control
Indentation at tip enhances ink flow and saturation. Membrane mechanism prevents ink spitback
Needles made of 316 medical grade stainless steel. Compatible with all standard pen machine and cartridges grips
High toughness silicone rebound maintains its original flexibility and strength with long time work
50pcs Mast Cartridges, Fast rebound, E.O Gas Sterilized. One piece needle allows for maximum stability and control
Indentation at tip enhances ink flow and saturation. Membrane mechanism prevents ink spitback
Needles made of 316 medical grade stainless steel. Compatible with all standard pen machine and cartridges grips
High toughness silicone rebound maintains its original flexibility and strength with long time work