• Anti-scratch LCD screen protector designed for Elegoo Mars 4, Mars 4 Ultra, Phrosen Sonic Mini 8K, and 8Ks 3D printers • Protects the screen from scratches and prevents resin from damaging the surface • 95% light transmittance, ensuring high UV light stability and optimal printing results • Easy-to-install sheets, highly translucent, and hassle-free application • 0.125 mm thickness; it is recommended to level the printer after installation for best results • Package includes 6 screen protectors and a set of tools to facilitate installation • Installation instructions: remove the old protector, clean the screen, align and apply the new protector, remove bubbles with a scraper, and remove the front cover