Stanley Gs230S 4-Inch Craft Glue, 6-Pack 4-inch All Purpose Standard Clear Glue Sticks Standard diameter .45-inch glue sticks in 4-inch length Excellent for bonding heat-sensitive materials, as well as generalapplications For use in glue guns Used by GR20, GR25-2 and GR100 Glue Guns For use in glue guns Excellent for bonding heat-sensitive materials, as well as general applications . Standard diameter glue sticks in 4" length Used by GR20, GR25, GR90 & GR100 Glue Guns Limited Lifetime Warranty