Glue sticks for a hot glue gun black 7.2x100mm 12pcs form an essential part of hot glue guns. Such a gun will come in handy for glueing various surfaces, from wood, cork and plastic to ceramics. Hot glue gun uses melting glue sticks that are heated inside the gun. Hot glue mixture holds firmly after drying up, but it can eventually be carefully peeled off the surface. A trigger ensures that the glue is applied very precisely only where you want it to be.