Victorinox SwissArmy Pioneer Black Alox Ribbed Multi-tool Supports 12 x 7.25 or 9.5 x 7.25 in the writing area with ratio of 16 - 9 Widescreen or 4 - 3 Standard 4000 lpi (lines per inch) hardware resolution Configurable rolling pads for scrolling, zooming and volume control 34 Programmable Macro Keys and Two rolling pads for the right and left handed 1024 levels of pressure-sensitivity for natural brush control