UNIVERSAL FIT: These needles will fit any standard luer lock or luer slip syringe. • TRIPLE SHARPENED: The needles are triple sharpened for a smoother level of penetration. • SAFE LUER CONNECTION: It easily connects tightly to both slip tip and lock tip syringes without leaking. • SILICONE COATED: The silicone coating on the needles enhance the durability and sharpness of the needle. • THIN WALL TECHNOLOGY: The thin wall technology makes for an easier injection with less thumb force and less time to inject the full dosage