44mm 1-3/4" Interchangeable Mould Button Maker, Pin Back, Bottle Opener Keychain KIT The machine itself is very rigid and is made of solid metal Rotational design ensures a perfect alignment between molds Short-stroke handle, require little force to make a button Capable of making regular pinback buttons, bottle openers, magnet buttons, keychain buttons, and mirror buttons Thicker steel base for more stability when operating