AD TECH-Permanent Dot Glue Runner. These glue runners are great for home or school projects. The adhesive adheres to foam; paper; wood; and many other materials. The dispensers are refillable and their size makes them convenient enough to take anywhere. This package contains four Dot Glue Runner applicators each filled with 8.75 yards (8m) of .31-inch (8mm) wide adhesive. Acid free; photo safe. Imported.