The SofNeedle™ is designed to be twisted onto a luer-lock syringe to dispense and apply liquids and light gels. Tip Material: Polyurethane Foam Scratch-resistant soft polyurethane foam tip allows easy dispensing and spreading of liquids/gels and even burnishing materials onto the tooth. Superior control of flow on vertical surfaces due to the slight back pressure feature of SofNeedles. Luer-lock design ensures that tips securely attach to syringes. Perfect for dispensing and applying: Liquids and light gels: Glu/Sense™ and D/Sense® Crystal™ Desensitizer Hemostatic agents: liquids and gels Other uses: Non-silica etching gels, pit and fissure sealants, porcelain etchants, caries indicators, Chlorhexidine, Benzal konium Chloride, high spot indication liquid.