The QIDI Max4 Dual-Sided PEI Build Plate gives you a durable, dependable printing surface with excellent first-layer adhesion and easy part removal once the plate cools. Simply flex the spring-steel sheet to release finished prints and flip it over when you need a fresh surface. This genuine QIDI replacement plate is made specifically for the Max4, making it perfect as a replacement, backup, or second plate for keeping production moving.