Description 3M Knifeless – Design Line Tape Design Line is made for single layer vinyl applications only. The cut produced will rival a knife or plotter, and ensures that there will be no damage to the underlying paint or car as may occur when cutting with a knife. Features: • 3.5mm wide x 50 metre rolls • Create curved lines, straight lines and shapes • Faster applications, break the tape with your hands • Design line is for use on single layer vinyl only Suitable Applications: • Car doors • Seams • Rubber seals