Royal Scuta Tempered Glass Screen Protector Film Guard for Samsung Galaxy Note 4 (Note 4 Tempered Glass Screen Protector) Made with high quality 0.33mm thick premium tempered glass for Samsung Galaxy Note 4 High Definition(HD) Transparency Film that ensures maximum resolution for Retine Display Bubble-free, easy install, and perfect fit- Guaranteed High sensitivity, let you enjoy the extreme experience Each screen protector has an 8H to 9H hardness rating, providing you outstanding protection from knives, scrapes, cracks, keys and general wear and tear.