Armorz Stealth Extreme R Tempered Glass Screen Protector for Samsung Galaxy S4 Surface hardness : 9H for extreme scratch resistance Shatterproof: If broken, Extreme R keeps the layers of glass bonded even when broken and minimizes the risk of injury. Compatible model: Samsung Galaxy S4 (2013 Model) Delicate Touch: No interference on touch screen responsiveness Oleophobic Coating: The Extreme R has an oleophobic coating that Oleophobic Coating: The Extreme R has an oleophobic coating that reduces the appearance of fingerprints.