You can immediately write on the corrected area as the tape goes on dry. Use to correct any typing, laser copies, faxes or hand written errors. Correction tape can't be seen on photocopies or faxes. Can be used on inks and pencils. Massage grip design for easy, comfortable use and a clear case so that workings and tape are visible. The Sidewinder is ergonomically designed and fits snugly in the hand for easy application and is 5mm wide and 8m long. Unique rewind tension screw.