Description:PEI material with high temperature adhesive is designed to make your print easy to adhere to the printing surface, flexible and removable. After printing, you can use steel wool pads with detergent to clean the PEI sheet to keep the PEI like new.Using high temperature resistant with high temperature adhesive magnetic base, it is easy to install and remove. You also can cut it for any size.It is made of high-quality steel material, which is solid and durable.The length of the product is 220mm and the width is 220mm. The thickness is about 0.5mm.It is a must upgrade parts for Flsun Q5 Printer, or DIY your own printer. PEI is compatible with all most filament, include PLA/ Carbon PETG ABS/ TPU/ Wood etc. The positive and negative side can be reused. After installing, how to auto-leveler: turn the metal part upside down, so the uncoated metal is facing up.Item Name: Spring Steel PlateMaterial: SteelStyle: RoundDiameter: 220mmFeatures: Round, Flexible, Magnetic BaseSize Details: Spring Steel Plate Size: 22cm x 22cm/8.66" x 8.66" (Approx.)Thickness: 0.05cm/0.02" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Kindly Tips: We have helped you stick PEI on the steel plate, so you no longer need to worry about the bubbles. Before using, please remove the protect film which stick on the PEI surface. so if you received package but found the air bubbles or scratches, please don't worry, they are the surface layer, PEI will not be affected.Package Includes:1 x Spring Steel Plate