The Elegoo Mars 4 Ultra Build Plate is a genuine replacement part, specifically designed for the Mars 4 Ultra resin 3D printer. This build plate is made of high-quality aluminum alloy and features a laser-engraved, double-sided sandblasted surface. This ensures excellent model adhesion and increases the likelihood of successful prints. 
Key Features:-  Compatibility: Specifically designed for the Elegoo Mars 4 Ultra
-  Material: Aluminum alloy
-  Surface: Double-sided oxidized black sandblasted