Specification Material Metal Color Gold + Black Name Magnetic heating bed + double-sided texture powder coated steel plate Applicable Models For Prusa i3 MK3 MK3S Model Double-sided PEI spring steel plate Suitable Devices For Prusa i3 MK3 MK3S How To Use The Pei Spring Steel is very easy to use, simply stick the magnetic bottom sheet onto your heated bed, then place the steel platform with PEI surface on the top. Magnetic PCB Hot Bed & PEI Spring Steel Plate for Prusa for i3 MK2.5S MK3 MK3S Genuine PEI powder coating. It is very durable and reliable. You can use it with confidence.Hardened steel spring piece, never deformed. No need to worry about whether you will break it.Easy to maintain, double sided, no need for masking tape. It is very convenient for you to use this product. Note: Firstly, please make sure the bottom of the soft magnetic sticker and the top layer are firmly adsorbed before installation. If it cannot be adsorbed, please rotate it 90 degrees and try again until they are completely adsorbed and will not separate.Secondly, after finding the correct magnetic direction, then you can stick the bottom part on the hot bed. Please pay attention to the direction before installation.