Armorz Stealth Extreme R Tempered Glass Screen Protector for LG Optimus G Pro Surface hardness : 9H for extreme scratch resistance Drop: R incision rounding edges help to deflect shock from bumps and drops, allowing it to absorb impact and prevent damage from occurring to your screen. Ultra-Thin Bezel: 0.4mm thick strips provide exceptional touch sensitivity and will not add bulk to your device. 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.