Space! The final frontier! These are the voyages of the hand stamper in all of you! Our space themed "launch" brings you: galaxy metal stamp, planet metal stamp, UFO metal stamp, and alien head metal stamp! May these stamps suck you into a vortex of creativity! Stamp size: 5.5mm, 8mm, 12mm Shank size: 1/4", 3/8", 1/2"