Tonic Studios Stamping Platform, Grey, LargeSturdy magnetic base plate with dual side and top measuring rulers. Clear dual thickness, metal pivoted stamping plate. Each side is marked to show the thickness of stamp that should be used. Use one side for clear stamps and the other for rubber stamps. Guarantees a perfect, even contact between stamp and medium. 2 x high strength magnets used to clamp the medium in place when stamping.