Disposable air/water syringe tips with plastic exterior and metal interior. They are interchangeable with most metal tips, no conversion necessary. A groove in the tip ensures a snug locking fit so that the tip stays in place throughout the procedure. Does not damage O-Ring. Compared to Safe Tip(r) EZ ● Guaranteed dry air with no moisture contamination ● Interchangeable with most tips with no conversion needed ● Five air-core design for even air flow and increased efficiency ● Secure locking fit ● Stainless steel interior, clear plastic exterior