8 x 10ml Syringe with blunt 4" Long Needle to Refill Ink Cartridge Cartridges CISS CIS OPT is a USA registered trademark. All orders will be shipped out from New York within 24 hours with Tracking Number. This sale is 8 syringes and 8 needles. Syringe is 10ml. You can use this syringe and needle set to refill ink cartridges or CISS. These are not for any medical purpose use. 100% satisfaction guarantee or money back.