Size: 11*17mm Practical design: The magnetic push rod can make almost all dry walls, billboards and most handicraft materials into magnetic surfaces, which is convenient for hanging posters, photos and artworks without being damaged by holes or stripes. It can be easily manually removed from the wall or billboard, and moved to another location or stored for future use Easy to use: The magnetic thumb is easy to use, without pinching or stinging your fingers, just push the basic button into the wall by hand, then place the poster or photo on the basic button, and then use the top magnet to hang the item High quality materials: The magnetic push rod is made of the following materials, which can be reused for many times. It is strong enough to hang posters or photos, so it will not fall off easily Widely used: magnetic punch is suitable for office or classroom, white board, dry erasable board, notes, maps, calendars, photos or poster