An essential line of defense to shield your LG K40 precious screen with this extra-strength tempered glass. The MyBat Full Coverage LG Harmony 3 Screen Protector acts as a barrier between your valuable device and the elements. Accidents can happen so it's important to have an extra layer of security. Equip this 9H hardness and 0.33 thickness tempered glass for maximum protection with the LG Harmony 3 Screen Protector. Case friendly fit!