Fitbit Surge Screen Protector, Getwow [Tempered Glass] Ultra Thin 9H Hard Crystal Clear Tempered-Glass Screen Protector for Fitbit Surge Fitness Superwatch Compatible Model: Fitbit Surge Fitness Superwatch Premium grade Japanese Asahi tempered glass with 9H scratch resistant surface. It is almost as hard as a diamond with highest resistance at 10H. Precise laser cut tempered glass made with polished round edges. High definition clarity and touch screen accuracy. Bubble-free, easy to install, and perfectly fit