The Scotch Adhesive Dot Roller is ideal for all kinds of home, office and school projects, such as making presentations and creating charts. The permanent, photo safe, dotted adhesive can be applied straight or in curves, precisely and smoothly, all the way to the end of the roll. It is neater than glue with no messy stringing. Refilling is fast and easy - no threading required. 0.31" x 49'.