ALL ReGULAR TIGHT LINER TATTOO NEEDLES: 1. ARE MADE OF SURGICAL GRADE STAINLESS STEEL 2. USE 12- GAUGE NEEDLES 3. COME IN (50) PER BOX 4. ARE INDIVIDUALLY PACKAGED FOR SINGLE USE 5. ARE E.O. GAS STERLIZED AND READY TO USE REGULAR TIGHT GROUPING OF NEEDLES HAVE A TIGHT GROUPING OF LONG TAPERED 12 GAUGE TATTOO NEEDLES.