Dental Needles, Plastic Hub W/ Bevel Indicator 27 Gauge Short, Package of 100. With Luer-lock and screw-on type syringes. Features an indicator dot on the hub. Stops anesthetic blockage to lessen pain during insertion. Color-coded container for easy identification. Disposable Dental Needles feature Luer-lock and screw-on type syringes. The indicator dot on the hub identifies the lancet bevel position at the cartridge end, preventing anesthetic blockage for reduced pain during insertion.Each disposable dental needle comes with a color-coded container for convenient labeling.