Ranger Tools Wendy Vecchi Make Art Stay-tion- An all in one magnetic workspace holds projects securely in place for precise alignment. Contains: 12"x 12" steel magnetic base with printed grid, 4 brushed aluminum magnets, and a flexible magnetic centering ruler. Do not use as a cutting surface, blades will damage the metal and grid lines. The magnets are strong, handle with care to avoid getting pinched. If you're using a heat tool, ensure that it is fully cooled down before handling again.