Creative Grids Rulers have - Special Grippers that holds fabric while cutting.
Quilters will find Creative Grids Rulers easy to use for rotary cutting because they are clearly marked in black and white for light and dark fabrics.
1in grid with 1/8in & 1/4in increments.
Use numerical white dots & 1/4in grip sides to cut whole inches.
Turn-a-Round to use the 1/2in grip side & numerical black dots to add the seam allowance.
Rectangle Ruler,Creative Grids Ruler, Rectangle Creative Grids