The BD Ultra-Fine U-100 insulin syringe 30 gauge 3/10cc, = inch needle comes in a package of 90ct. They are U-100 insulin and are for 30 units or less. They have a 30 gauage = (12.7mm) needle and all 90 are single use syringes. The sterility of the fluid path for these syringes by BD is guaranteed unless the syringe is opened or damaged. They are non-toxic and non-pyrogenic. Savings of over 65%, you should always shop with us first!