Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.Designa Permapoint – Dart Sharpener Patented Technology. New technology allows you to keep your dart points sharp, simply by keeping them inside the point protector. To give the points a sharpening boost – simply twist the darts while inside the protector.