Back by Popular Demand, and IMPROVED Measure and cut in one easy step Ruler features Twotoned Grid Print numbers and grids are outlined with white so it's easier for consumers to read numbers on both light and dark fabric. Grids are printed both ways, 16" and 6"1" for left or right handed users. Features a carrying handle in the "dead zone". The blade carriage has been enhanced to require less force during cutting and to fit better in the hand. Easy blade change A notouch blade change and disposal system in a convenient 5 pack see item 1951201001 or item 197890 unit comes with one 45mm blade installed.