The Kovax Tolecard is a real must-have. A helpfull tool to use with the Tolecut sheets. The card is made from strong and flexible rubber and avoids sharp edges and corners that may otherwise damage your surface. It sets comfortably in your hand allowing for a balanced pressure with removing local imperfections.. The card allows you to follow the curves of your instrument as well sand straight surfaces while avoiding fingerpressure for a smooth sanded surface.