For U-100 insulin - 31 Gauge 3/10 cc 5/16 inch - 100 count (10 packs of 10)McKESSON Insulin Syringes with NeedleSKU: GWM- 102-SN310C31516PPriceFrom $37.99Quantity*Price Options*One-time purchase$39.99Monthly Subscription$37.99every month until canceledSubscribe Now