"Knifeless Finish Line Tape is a tape that can be used to cut graphic film without a knife. The only patented system to virtually eliminate using a knife during wrapping and practically eliminates the possibility of cutting into a vehicle's paint. Trimming is one of the most important parts of a wrap. Knifeless Tape is faster and easier that traditional trimming. With traditional methods, trimming is done at the end of the job, when installers might be tired and more prone to errors. One bad cut can ruin a panel, forcing you to reprint, or incur significant time to salvage the panel. By using 3M Knifeless tape, you can reposition the cut line. Many installers report using the Knifeless Tape method saves a significant time. This tape is translucent, and let you see exactly where your line. You can adjust as needed with absolutely no residue. The tape is extremely flexible which turns in any direction around bumpers, door handles, mirrors, turns, corners, etc. Knifeless Finish Line Tape can be used for most wrap applications. This product is not designed for window tint. Please note the item doesn't come with original box 3M the original box comes with 164 feet. We open the product and cut it smaller for sale.