8 x 10ml syringes with blunt 4" long needle to refill ink cartridge CISS, glue craft 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. Needle is 4" length, 1/16" diameter, blunt tip. 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.