The ScotchBlue Dispenser M1000-SB is for the do-it-yourselfer with occasional light-duty projects. It applies masking paper with masking tape in a continuous and one easy step. The ScotchBlue Dispenser features a six inch plastic blade with a six inch extension and is designed for occasional DIY projects. It simultaneously applies masking paper， up to 12 inches， with masking tape to cover and protect various surfaces such as windows， baseboards and door casings. The dispenser allows the contractor or painter to apply masking paper with masking tape in one easy step which not only provides convenience， but gets the job done quickly and efficiently.