TechPro HTC One M8 (2014 Version) Premium ShatterProof Crystalline Tempered Glass Screen Protection For HTC One 2014 (M8) - 8-9H Hardness. 0.4mm Thin. Rounded Edges. Glass so clear you won't notice you have a screen protector. There are no gaps between LCD and the glass screen protector. Rounded edges prevents any chipping Hard coated scratch proof 8-9H. Easy to attach At 0.4mm slimness it does not any add bulk to your phone.